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Delicious Rhubarb Coconut Macaroon Tarts You’ll Love

Published: Aug 19, 2025 by Emma Saviani ·

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As I peeled back the layers of this delightful recipe, an unexpected pairing danced in my mind—tart rhubarb and luscious coconut. The result? Rhubarb Coconut Macaroon Tarts that are simply irresistible! Not only are these tarts a stunning addition to any dessert table, but they also come together in under 40 minutes, making them perfect for those impromptu gatherings with friends and family. Plus, they boast a unique blend of flavors that elevate your baking game, turning ordinary nights into sweet celebrations. You’ll be amazed at how the tartness of fresh rhubarb pairs with the sweet, chewy coconut—creating a harmonious bite that’s hard to forget. Are you ready to indulge in a dessert that feels like a warm hug? Let's dive into this baking adventure together!

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Why Are These Tarts So Irresistible?

Simplicity: With just a few simple ingredients, you can whip up these delightful tarts in under 40 minutes.

Flavor Explosion: The tartness of fresh rhubarb perfectly complements the rich sweetness of coconut, crafting a unique taste that will elevate your dessert game.

Versatile: Perfect for any occasion, whether you're hosting a dinner party or enjoying a casual family meal. Pair them with lemon sorbet or a fine sparkling rosé for an extra touch of class!

Crowd-Pleaser: These tarts are guaranteed to impress your guests and might even become the highlight of your dessert table!

Freezing Friendly: Make a batch ahead of time and store them in the freezer for a sweet treat whenever the craving strikes.

Rhubarb Coconut Macaroon Tart Ingredients

For the Crust

  • Unsalted butter – softened for a creamy texture and rich flavor.
  • Granulated sugar – adds sweetness to balance the tartness of rhubarb.
  • All-purpose or oat flour – use oat flour for a gluten-free alternative if desired.
  • Pinch of salt – enhances the overall flavor of the crust.

For the Rhubarb Filling

  • Fresh rhubarb – this is the star of our Rhubarb Coconut Macaroon Tarts, bringing tartness and freshness.
  • Granulated sugar (2 tablespoons) – adjust to taste as the sweetness balances the tartness.
  • Lemon juice – brightens the filling and enhances the rhubarb's natural flavors.

For the Coconut Topping

  • Egg whites – help bind the topping while adding a light, airy texture.
  • Granulated sugar (½ cup) – sweetens the topping and contributes to a chewy texture.
  • Sweetened shredded coconut – provides that irresistible chewy texture and tropical flavor.
  • Vanilla extract – infuses the mixture with a warm, inviting aroma.
  • Pinch of salt – rounds out the sweetness, making each bite flavorful.

These ingredients come together to create an unforgettable treat that will charm your taste buds and impress your loved ones!

Step‑by‑Step Instructions for Rhubarb Coconut Macaroon Tarts

Step 1: Preheat the Oven
Start by preheating your oven to 350°F (175°C). While waiting for the oven to reach temperature, take a muffin tin and lightly grease it or line it with parchment liners. This step is crucial to ensure your tart crusts come out easily and maintain their beautiful shape.

Step 2: Prepare the Crust
In a mixing bowl, cream together ½ cup of softened unsalted butter and ¼ cup of granulated sugar until the mixture is light and fluffy, about 3 minutes. Gradually mix in 1 cup of all-purpose or oat flour along with a pinch of salt. The dough should come together into a crumbly texture that holds its shape.

Step 3: Form the Tart Crusts
Press the dough firmly into the bottom of each muffin cup in the prepared tin, forming a crust base. Ensure it is evenly distributed and pressed down well for structure. Once completed, set the crusts aside as you prepare the flavorful rhubarb filling.

Step 4: Cook the Rhubarb Filling
In a small saucepan over medium heat, combine 1 ½ cups of chopped fresh rhubarb, 2 tablespoons of granulated sugar, and 1 teaspoon of lemon juice. Simmer this mixture for 5–7 minutes until the rhubarb is soft and slightly thickened, stirring occasionally. Remove from heat and let it cool for a few minutes before using.

Step 5: Prepare the Coconut Topping
In a separate bowl, whisk 2 large egg whites until they are frothy, then add in ½ cup of granulated sugar, ½ teaspoon of vanilla extract, a pinch of salt, and 1 ½ cups of sweetened shredded coconut. Stir everything together until well combined, creating a delightful mixture that promises a chewy texture atop your Rhubarb Coconut Macaroon Tarts.

Step 6: Assemble the Tarts
Spoon about a teaspoon of the rhubarb mixture over the crusts you previously formed, evenly distributing the filling. Next, take a generous scoop of the coconut topping and place it over each tart, gently pressing down to ensure it adheres nicely. This layering creates a lovely contrast of flavors that will delight your guests.

Step 7: Bake the Tarts
Place the muffin tin in your preheated oven and bake for 20–25 minutes. Keep an eye on them as they bake—the tops should become golden brown, indicating that the coconut is toasty and the filling is set. The aroma will surely fill your kitchen with warmth as they finish baking.

Step 8: Cool and Serve
Once baked, carefully remove the muffin tin from the oven and allow the tarts to cool completely in the tin. This cooling process helps them firm up, making removal easier without breaking apart. After cooling, gently lift each tart out and serve them to enjoy the harmonious blend of flavors in your Rhubarb Coconut Macaroon Tarts.

Expert Tips for Rhubarb Coconut Macaroon Tarts

  • Choose Fresh Rhubarb: Always opt for fresh rhubarb for the best flavor. If rhubarb is too soft or wilted, it won't provide the tartness needed for balance.

  • Adjusting Sweetness: Taste the rhubarb mixture before adding to the tarts. Depending on your preferences, you might want to tweak the sugar amount for a perfect balance.

  • Perfectly Whipped Egg Whites: Ensure your egg whites are whipped until frothy before mixing in other ingredients. Well-aerated whites will give your topping a delightful fluffiness.

  • Don’t Overfill: When adding the rhubarb filling and coconut topping, avoid overfilling the crusts. This will help your Rhubarb Coconut Macaroon Tarts hold their shape without spilling over during baking.

  • Cooling is Key: Be patient and let the tarts cool completely in the tin to prevent them from breaking. This step is crucial for a smooth serving experience.

  • Freezing Tips: To save time for future cravings, freeze uncooked tarts before baking. Just remember to adjust baking time when you bake them straight from the freezer!

Rhubarb Coconut Macaroon Tarts Variations

Feel free to get creative and customize these tarts to suit your taste buds!

  • Gluten-Free: Substitute all-purpose flour with your favorite gluten-free blend, ensuring everyone can enjoy them.

  • Organic Sweetness: Swap granulated sugar for coconut sugar to impart a subtle caramel flavor while making them a bit healthier.

  • Berry Boost: Mix in fresh berries like blueberries or strawberries with the rhubarb for an extra burst of flavor and vibrant colors.

  • Nutty Crunch: Add a handful of chopped nuts, such as almonds or pecans, to the coconut topping for a delightful crunch.

  • Coconut Milk Cream: For a creamier filling, stir in a few tablespoons of coconut milk to the rhubarb mixture before spooning it over the crust.

  • Spiced Twist: Sprinkle in some ground cinnamon or nutmeg to the coconut topping for a hint of warmth, perfect for cozy gatherings.

  • Heat it Up: For those who love a kick, add a pinch of cayenne pepper to the rhubarb mixture to contrast with the sweetness and tartness.

  • Mini Tartlets: Use a mini muffin tin instead of a standard one to create bite-sized treats, perfect for parties or snacks with a cup of tea.

These whimsical variations allow you to delight in the possibilities, making your Rhubarb Coconut Macaroon Tarts a reflection of your culinary spirit! Pair your creations with lemon sorbet for a refreshing taste or serve alongside a steaming cup of tea to elevate your dessert experience.

Make Ahead Options

These Rhubarb Coconut Macaroon Tarts are perfect for busy home cooks looking to save time! You can prepare the crust and rhubarb filling up to 24 hours in advance, refrigerating them separately in airtight containers. For the crust, simply press the dough into the muffin tin as indicated, and for the filling, store it in a container to keep it fresh. When you're ready to bake, whip up the coconut topping, assemble the tarts with the rhubarb mixture, and proceed with the baking instructions. By prepping ahead, you'll enjoy scrumptious tarts that are just as delightful and freshly baked, making dessert time a breeze!

What to Serve with Rhubarb Coconut Macaroon Tarts

Indulging in these delightful tarts invites the perfect opportunity to craft a well-rounded meal that delights all the senses.

  • Lemon Sorbet: The refreshing, tangy flavor of lemon sorbet contrasts beautifully with the sweet and chewy tarts, cleansing the palate.
  • Vanilla Bean Ice Cream: Creamy and rich, vanilla bean ice cream provides a luscious complement to the tartness of rhubarb while enhancing the tropical coconut flavors.
  • Herbal Tea: A hot cup of soothing herbal tea, such as chamomile or mint, adds warmth and a hint of earthiness that pairs harmoniously with the dessert.
  • Sparkling Rosé: A chilled glass of sparkling rosé offers a light, fruity fizz that elevates the sweet and tart experience of the tarts.
  • Fresh Berries: A mix of fresh berries, like strawberries and blueberries, adds a burst of color and freshness, enhancing the dessert table's visual appeal.
  • Coconut Whipped Cream: Light and airy, coconut whipped cream brings an extra layer of tropical flavor and complements the tarts' coconut topping perfectly.
  • Chocolate Drizzle: A simple dark chocolate drizzle over the tarts can introduce a rich bitterness, creating a delightful contrast to the sweetness of the coconut and rhubarb.
  • Garden Salad: A crisp garden salad with fried cashews and a citrus vinaigrette can serve as a light starter, balancing the richer flavors of the tarts.

How to Store and Freeze Rhubarb Coconut Macaroon Tarts

Airtight Container: Once fully cooled, store your Rhubarb Coconut Macaroon Tarts in an airtight container at room temperature for up to 3 days. This keeps them fresh and delightful!

Chilled Storage: For longer storage, place the tarts in the fridge, where they can last for up to a week. Just ensure they are well-wrapped to maintain their softness.

Freezer: If you want to enjoy these tarts later, freeze them in a single layer in a freezer-safe container for up to two months. The tarts can be enjoyed straight from the freezer or thawed overnight in the refrigerator.

Reheating: To enjoy warm tarts, reheat in the oven at 350°F (175°C) for about 10 minutes. This will rejuvenate the textures and flavors beautifully!

Rhubarb Coconut Macaroon Tarts Recipe FAQs

What should I look for when selecting fresh rhubarb?
Absolutely! When choosing rhubarb, look for firm stalks that are bright in color (deep red is ideal, but green varieties work too). Avoid any that have soft spots or are wilted, as they won't have the tartness and freshness needed for your Rhubarb Coconut Macaroon Tarts.

How should I store leftover tarts?
Very! Once fully cooled, you can store your Rhubarb Coconut Macaroon Tarts in an airtight container at room temperature for up to 3 days. If you want to keep them longer, refrigerate them, where they will last for around up to a week. Just remember to wrap them well to maintain their delicious softness!

Can I freeze these tarts? If so, how?
Sure! To freeze your Rhubarb Coconut Macaroon Tarts, first, allow them to cool completely. Then, place them in a single layer in a freezer-safe container or wrap them individually in plastic wrap. They can be frozen for up to two months. When you're ready to enjoy, either thaw them overnight in the fridge or bake straight from the freezer—just adjust baking time accordingly.

What should I do if my crust is too crumbly?
Oh no! If your crust is too crumbly, it usually means it hasn't got enough moisture. To fix it, you can add a teaspoon of cold water or an extra tablespoon of softened butter to the mixture. Mix it in gently, focusing on blending until it holds together better without overworking the dough.

Are there any dietary considerations I should keep in mind?
Absolutely! If you're cooking for others, it's important to note that this recipe contains eggs and dairy (butter). For egg-free options, consider substituting aquafaba (the liquid from canned chickpeas) for the egg whites, using 1 tablespoon per egg white. If you're gluten-sensitive, use oat flour to make your Rhubarb Coconut Macaroon Tarts gluten-free!

Rhubarb Coconut Macaroon Tarts

Delicious Rhubarb Coconut Macaroon Tarts You’ll Love

Indulge in these Rhubarb Coconut Macaroon Tarts, a perfect harmony of tart rhubarb and sweet coconut that will impress your guests.
Print Pin Rate
Course: Dessert
Cuisine: American
Keyword: Baking, crowd-pleaser, dessert, easy recipe, Rhubarb Coconut Macaroon Tarts, tarts
Prep Time: 15 minutes minutes
Cook Time: 25 minutes minutes
Total Time: 40 minutes minutes
Servings: 12 tarts
Calories: 180kcal

Equipment

  • Muffin tin
  • Mixing bowl
  • Saucepan

Ingredients

For the Crust

  • ½ cup unsalted butter softened
  • ¼ cup granulated sugar
  • 1 cup all-purpose or oat flour
  • 1 pinch salt

For the Rhubarb Filling

  • 1 ½ cups chopped fresh rhubarb
  • 2 tablespoons granulated sugar adjust to taste
  • 1 teaspoon lemon juice

For the Coconut Topping

  • 2 large egg whites
  • ½ cup granulated sugar
  • 1 ½ cups sweetened shredded coconut
  • ½ teaspoon vanilla extract
  • 1 pinch salt

Instructions

Step-by-Step Instructions

  • Preheat your oven to 350°F (175°C) and lightly grease a muffin tin or line it with parchment liners.
  • Cream together the softened unsalted butter and granulated sugar until light and fluffy, about 3 minutes. Gradually mix in the flour and a pinch of salt until crumbly.
  • Press the dough into the bottom of each muffin cup to form crust bases.
  • In a saucepan, combine chopped rhubarb, granulated sugar, and lemon juice. Simmer for 5–7 minutes until soft. Let cool.
  • Whisk the egg whites until frothy, then mix in sugar, vanilla, salt, and shredded coconut until combined.
  • Spoon rhubarb filling over crusts, then add the coconut topping, pressing down gently.
  • Bake for 20–25 minutes until golden brown on top. Let cool in the tin.
  • Carefully lift each tart out to serve.

Notes

Allow the tarts to cool completely in the tin for easier removal. For best results, use fresh rhubarb and adjust sugar to taste.

Nutrition

Serving: 1tart | Calories: 180kcal | Carbohydrates: 25g | Protein: 2g | Fat: 8g | Saturated Fat: 5g | Cholesterol: 30mg | Sodium: 80mg | Potassium: 150mg | Fiber: 1g | Sugar: 12g | Vitamin A: 5IU | Vitamin C: 10mg | Calcium: 2mg | Iron: 4mg

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Ellie Monroe

I’m Ellie, a 54-year-old home cook who believes the best recipes come from the heart. At Heavenly Recipe, I share comforting classics, sweet treats, and simple meals that anyone can make, just like the ones passed down through my family.

More about me

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