Mounds Cake Recipe: Chocolate Coconut Delight
- Time: Active 20 minutes, Passive 35 minutes, Total 55 minutes
- Flavor/Texture Hook: Deep mahogany chocolate with a chewy, snowy coconut core
- Perfect for: Crowd-pleasing potlucks or nostalgic birthday celebrations
Table of Contents
Why This Texture Succeeds
Bloom Effect: Adding boiling water to Dutch processed cocoa powder dissolves solids and releases trapped flavor volatiles for a more intense chocolate profile.
Protein Networking: The specific ratio of all purpose flour to liquid ensures a sturdy enough structure to hold 14 oz of dense coconut filling.
Sugar Stabilization: Sweetened condensed milk acts as a humectant and a glue, preventing the coconut layer from becoming crumbly or dry.
| Method | Time | Texture | Best For |
|---|---|---|---|
| Classic Baked | 55 minutes | Velvety and sturdy | Clean, professional slices |
| Fast "Poke" Style | 40 minutes | Ultra moist and soft | Quick family weeknight treats |
| Individual Cups | 30 minutes | Crispy edges, soft core | Party favors and portion control |
The comparison above shows how versatile this flavor profile is. While the fast version saves time by using a pre made base, the classic method described here provides the structural integrity needed for a truly impressive presentation.
Essential Component Science
Selecting the right components is the difference between a soggy mess and a professional grade dessert. In this mounds cake recipe, every gram serves a functional purpose.
| Component | Science Role | Pro Secret |
|---|---|---|
| Dutch Cocoa | Alkalized for pH balance | Sift with flour to avoid stubborn lumps |
| Boiling Water | Gelatinizes flour starches | Add last to keep the batter thin and aerated |
| Condensed Milk | Binds shredded coconut | Chill the mixture before spreading for stability |
| Vegetable Oil | Remains liquid at room temp | Ensures the cake stays soft even when refrigerated |
The use of vegetable oil instead of butter is a calculated choice here. While butter provides flavor, oil provides a superior mouthfeel for cakes that are served cool, preventing that "brick" texture that happens to butter based sponges in the fridge.
Necessary Kitchen Tools
Precision in baking requires the right gear to ensure even heat distribution and proper aeration. For this mounds cake recipe, a 9x13 inch baking pan is standard, but a heavy duty whisk is your best friend.
- 9x13 Inch Baking Pan: Metal reflects heat better for a crispier edge.
- Large Mixing Bowls: You'll need one for dry, one for wet, and one for the coconut.
- Wire Whisk: Essential for incorporating the boiling water without splashing.
- Small Saucepan: For heating the heavy whipping cream for the ganache.
- Offset Spatula: This is the only way to get a perfectly flat coconut layer.
Chef's Tip: If you don't have an offset spatula, the back of a large spoon dipped in warm water works as a great substitute for smoothing the sticky coconut filling.
Precise step-by-step Guide
Follow these steps exactly to ensure the structural integrity of your cake. Temperature is key here, especially when dealing with the boiling water and the room temperature eggs.
- Prep the Oven: Preheat your oven to 350°F and grease your 9x13 pan thoroughly.
- Combine Dry Ingredients: Whisk 2 cups flour, 2 cups sugar, 3/4 cup cocoa, 2 tsp baking soda, 1 tsp baking powder, and 1 tsp salt. Note: Sifting the cocoa prevents bitter pockets.
- Mix Wet Ingredients: Beat 2 eggs with 1 cup milk, 1/2 cup oil, and 1 tsp vanilla until pale and slightly frothy.
- Incorporate Dry to Wet: Gradually add the flour mixture to the wet ingredients, stirring just until no large white streaks remain.
- The Bloom Phase: Pour in 1 cup boiling water and whisk gently. The batter will be very thin and bubbling.
- The Initial Bake: Pour into the pan and bake 35 minutes until a toothpick comes out with only a few moist crumbs.
- Prepare Coconut Layer: While the cake cools, stir 14 oz shredded coconut and 14 oz condensed milk until fully saturated.
- Layer the Center: Spread the coconut mixture over the cooled cake until the surface is completely white and even.
- Create the Ganache: Heat 1/2 cup heavy cream until simmering, pour over 1 cup chocolate chips, and let sit for 5 minutes.
- The Final Pour: Whisk the ganache until silky and pour over the coconut layer, tilting the pan to cover the edges.
Solving Common Baking Failures
Even seasoned bakers run into trouble with tiered desserts. The most common issue with this mounds cake recipe is the filling separating from the base.
Why Your Filling Slips
If the coconut layer slides off when you slice the cake, the cake base was likely too warm when assembled. Heat creates a steam barrier that prevents the condensed milk from "gripping" the sponge. Always let the cake reach room temperature before adding the coconut.
Fixing a Seized Ganache
If your chocolate topping looks grainy or oily, it has seized. This usually happens if a drop of water gets into the chocolate or if the cream was too hot. You can often fix this by whisking in a teaspoon of room temperature heavy cream very vigorously until it smooths out.
| Problem | Root Cause | Solution |
|---|---|---|
| Dry Cake Crumb | Overbaking or too much flour | Use a kitchen scale for flour; check at 30 mins |
| Runny Coconut | Under mixing or warm milk | Chill the condensed milk before mixing with coconut |
| Sticky Ganache | Incorrect cream ratio | Ensure exactly 1/2 cup cream is used for 1 cup chips |
Common Mistakes Checklist ✓ Never use cold eggs; they will curdle the fat in the batter. ✓ Ensure the boiling water is actually at a rolling boil to properly bloom the cocoa. ✓ Don't over mix once the flour is added, or the cake will be tough like bread.
✓ Let the ganache set for at least 2 hours for those clean, sharp slices. ✓ Tap the cake pan on the counter before baking to release large air bubbles.
Creative Flavor Twist Ideas
Once you have mastered the base mounds cake recipe, you can start playing with the flavor profiles. It is a very forgiving structure for experimentation.
- Almond Joy Variation: Add a layer of whole toasted almonds on top of the coconut before pouring the ganache.
- Dark Chocolate Upgrade: Swap the semi sweet chips for 70% dark chocolate to cut through the sweetness of the coconut.
- Espresso Infusion: Add 1 tablespoon of instant espresso powder to the boiling water to deepen the chocolate notes.
- Boozy Coconut: Stir 2 tablespoons of dark rum into the coconut and condensed milk mixture for an adult version.
If you enjoy the deep chocolate of this recipe, you might find the technique similar to the one used in our Chocolate Cake From recipe.
Freshness and Storage Guidelines
Because of the high moisture content in the coconut layer and the dairy in the ganache, this cake requires specific handling to stay safe and tasty.
In the Fridge: Store in an airtight container for up to 5 days. The oil based cake will stay soft, but the ganache will firm up. For the best texture, let a slice sit at room temperature for 15 minutes before eating.
In the Freezer: You can freeze the entire cake or individual slices for up to 3 months. Wrap tightly in plastic wrap and then a layer of foil. Thaw overnight in the refrigerator.
Zero Waste Tip: If you have leftover coconut mixture, roll it into small balls and dip them in the remaining ganache to make homemade candy truffles. You can also crumble any cake scraps into vanilla ice cream for a "mounds" sundae.
Artful Cake Serving Suggestions
A cake this rich deserves a presentation that highlights its distinct layers. For the best visual impact, use a hot knife to slice. Dip a long thin blade into hot water, wipe it dry, and make one clean cut. Repeat the dipping and wiping for every single slice.
I love serving this on a plain white plate to let the dark chocolate and snowy coconut pop. If you want to get fancy, a light dusting of cocoa powder on the plate or a few curls of fresh coconut on top of the ganache adds a professional touch. If you’re looking for a more colorful presentation for a party, the vibrant layers of a Purple Velvet Cake Recipe make a great companion on a dessert table.
To scale this down, you can halve all ingredients and use an 8x8 inch square pan. The baking time will decrease by about 5 to 7 minutes, so start checking for doneness early.
For scaling up to a large sheet pan (12x18), double the recipe but increase the spices and salt by only 1.5x to avoid an overpowering flavor.
Debunking Common Baking Myths
One common myth is that you must use expensive "baking chocolate" bars for the ganache. In reality, high-quality semi sweet chocolate chips work perfectly because they contain stabilizers that help the ganache hold its shape at room temperature.
Another misconception is that the coconut layer needs to be baked. Since we are using sweetened condensed milk, it acts as a cold set binder. Baking the coconut layer after it’s on the cake can actually dry out the sponge and cause the oils in the coconut to turn yellow and greasy.
Trust the chilling process instead.
Recipe FAQs
Can I use oil instead of melted butter for a lighter cake texture?
Yes, use vegetable oil. Vegetable oil remains liquid at room temperature, ensuring the cake stays softer and moister than butter based sponges when refrigerated.
How to ensure the coconut filling adheres firmly to the cake base?
Allow the cake to cool completely to room temperature. Spreading the coconut mixture onto a warm cake creates a steam barrier, causing the filling to slip when sliced.
Is it true that I must use Dutch processed cocoa powder for this recipe?
No, but Dutch process is highly recommended. Alkalized cocoa dissolves better in boiling water, which releases richer flavor volatiles a key to the intense chocolate profile.
How to make the ganache shiny and avoid it seizing?
Heat heavy cream until simmering, then pour over chips and wait. Let the mixture sit undisturbed for five minutes before stirring gently to achieve a perfect emulsion.
What is the benefit of adding boiling water to the batter?
It blooms the cocoa powder and gelatinizes starches immediately. This step releases deep flavor from the cocoa and contributes to the unique moist, tight crumb structure.
How to store leftover mounds cake to maintain its texture?
Store in an airtight container in the refrigerator for up to five days. For the best eating texture, allow slices to sit out for fifteen minutes before serving to soften the chilled ganache.
Should I skip chilling the filling mixture before spreading it?
No, chilling the coconut mixture before spreading is crucial for stability. This technique, similar to stabilizing a thick frosting in our OCharleys Potato Soup Recipe for a smooth base, helps the binder set before baking.
Mounds Cake Recipe From Scratch
Ingredients:
Instructions:
Nutrition Facts:
| Calories | 554 kcal |
|---|---|
| Protein | 7.5 g |
| Fat | 25.2 g |
| Carbs | 76.1 g |
| Fiber | 4.8 g |
| Sugar | 61.8 g |
| Sodium | 353 mg |