Betty Crocker Death By Chocolate Cake Recipe: Moist Layers with Secret Buttermilk Trick

Betty Crocker's Death by Chocolate Cake delivers moist, fudgy layers that taste like a decadent dessert straight from the bakery. The secret lies in using buttermilk instead of regular milk, which creates a tender crumb and prevents dryness—something I perfected after years of testing classic recipes.

This isn’t just another chocolate cake; it’s a rich, velvety masterpiece with a perfect balance of cocoa and chocolate chips in every bite.

The recipe follows Betty Crocker’s signature approach, combining precise measurements with a foolproof method that ensures even baking and a crack-free top. You’ll mix the batter in one bowl, layer it carefully, and bake until the edges are set but the center remains just slightly underdone for that signature moistness.

The buttermilk trick is what sets this apart—it keeps the cake tender without sacrificing that deep chocolate flavor.

By the time it’s done, you’ll have a cake with layers so rich they practically melt in your mouth, all held together by a creamy frosting that complements rather than overpowers.

The texture is what makes this recipe legendary—no dry crumbs, no dense heaviness, just pure, indulgent chocolate perfection. This is the cake that will have everyone asking for seconds.

Whether you’re baking for a special occasion or just craving a treat, this recipe delivers restaurant-quality results with minimal effort. The steps are straightforward, but the outcome is anything but ordinary. Let’s get started on creating your own legendary Death by Chocolate Cake.

Ingredients for betty crocker death by chocolate cake

Twelve simple ingredients transform into decadent layers—no dry crumbs in sight.

The cocoa powder makes all the difference—Hershey's Special Dark or Dutch-processed from Ghirardelli gives that deep, rich flavor. Skip the pre-sifted flour; King Arthur or Bob's Red Mill unsifted flour works best when you sift it yourself. Butter should be soft but not melted—press a finger into it; if it leaves a slight indent, you're good. For buttermilk, if you don’t have any, mix 1.5 tbsp lemon juice or vinegar with 1.5 cups milk and let it sit for 5 minutes. The chocolate chips? Ghirardelli or Guittard melt more smoothly than store brands.

No cocoa powder? Melted dark chocolate at double the amount works in a pinch, but the texture won’t be as tender. Short on vanilla? Almond extract at half the amount adds depth, but it’s stronger so use sparingly. The baking soda is non-negotiable—Diamond Crystal is double-acting, so it’s the best choice. For the chocolate chips, if you’re feeling fancy, swap in chopped dark chocolate bars (60-70% cacao). Just make sure they’re the same size for even melting. The hot water is key—it activates the cocoa powder and baking soda for that perfect rise.

This batter keeps for 2 days in the fridge if you’re prepping ahead, but I don’t recommend it—the freshness is everything. Once baked, the cake stays moist for 3 days at room temperature, wrapped tightly in plastic. For longer storage, slice and freeze portions for up to 3 months. The frosting? Make it the day of serving—it’s worth the extra minute.

Step-by-step instructions for Betty Crocker death by chocolate cake

Here's how to create layers so moist they'll make you forget about dieting.

Preheat your oven to 350°F. Generously grease two 9-inch round cake pans with the 0.5 cup vegetable oil, then line the bottoms with parchment circles. This prevents sticking and ensures clean slices. In a medium bowl, whisk together the 3 cups all-purpose flour, 0.75 cup cocoa powder, 1 tsp baking soda, and 0.5 tsp salt. Sift this mixture once to aerate it—this creates lighter layers with fewer lumps.

I like to use a fine-mesh sieve for this step. The cocoa powder can be dense, so sifting ensures even distribution throughout the batter. Set the dry mixture aside while you prepare the wet ingredients—this keeps everything organized and prevents cross-contamination.

In a stand mixer fitted with the paddle attachment, beat the 2 cups softened unsalted butter and 2.5 cups granulated sugar on medium speed for 4-5 minutes. You're looking for a light, fluffy texture that nearly doubles in volume and becomes pale in color. This creaming process incorporates air, which creates that signature tender crumb.

Here's the thing—don't rush this step. The butter should be soft enough to leave a slight indent when pressed, but not melted. If it's too cold, the mixture will be grainy; if it's too warm, you'll end up with dense cake. I like to let my butter sit at room temperature for about 1 hour before starting.

Add the 2 whole large eggs, one at a time, mixing on low speed after each addition. Then stir in the 2 tsp vanilla extract and 1.5 cups buttermilk. The buttermilk is your secret weapon—it creates a moist, tender crumb by reacting with the baking soda during baking. Mix just until combined, about 30 seconds, being careful not to overmix.

Here's where precision matters: The batter should be thick but pourable. If it's too thick, add 1 tablespoon hot water at a time until it reaches the right consistency. The hot water helps dissolve the sugar completely and creates a smoother batter. Fold in the 2 cups semisweet chocolate chips by hand using a silicone spatula—this prevents them from melting prematurely.

Divide the batter evenly between the prepared pans. Tap each pan gently on the counter to release any air bubbles. Bake for 30-35 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs (not wet batter). The edges should pull away slightly from the pan, and the tops should be set but still slightly springy to the touch.

I know it's tempting to open the oven early, but resist! The cake needs that full baking time to develop proper structure. If the tops brown too quickly, tent the pans with aluminum foil. Once done, let the cakes cool in their pans for 10 minutes, then transfer to a wire rack to cool completely. This gradual cooling prevents cracking and ensures even layers.

While the cakes cool, prepare the chocolate ganache by combining 1 cup semisweet chocolate chips (reserved from your original amount) and 0.5 cup hot water in a heatproof bowl. Let it sit for 2 minutes, then whisk until smooth. This should create a glossy, pourable ganache that's thick enough to hold its shape between layers.

Place one cake layer on a serving plate, then spread an even layer of ganache (about 1/3 cup) over the top. Repeat with the second layer, then cover the entire cake with the remaining ganache. Chill in the refrigerator for 30 minutes to set the ganache completely. This creates that signature "death by chocolate" experience with rich, fudgy layers.

Storing and reheating this dish

Room Temperature Storage

This cake stays moist and delicious for up to 3 days at room temperature when properly stored. Wrap the entire cake tightly in plastic wrap, then place it in an airtight container—I use a Rubbermaid Brilliance container with a snap-on lid.

Store it in a cool, dry place away from direct sunlight to prevent the ganache from melting. The buttermilk trick helps maintain moisture, but humidity can still be an issue, so double-wrap if your kitchen is particularly damp. 🥧

Refrigerator Storage

For longer storage, refrigerate the cake for up to 5 days. The cold temperature actually enhances the flavors, making the chocolate taste even richer.

When ready to serve, let it sit at room temperature for 15-20 minutes before slicing—this prevents the ganache from sliding off and keeps the texture perfect. I like to place the cake on a wire rack inside the fridge to allow airflow and prevent condensation.

If you’re storing it with frosting, make sure the ganache is fully set before refrigerating. ❄️

Freezing for Later

Freeze individual slices (not the whole cake) for up to 3 months for maximum freshness. Wrap each slice tightly in plastic wrap, then place them in a freezer bag with all the air squeezed out. Label the bag with the date—trust me, you’ll forget!

To serve, thaw at room temperature for 1-2 hours or reheat in the microwave for 10-15 seconds (covered with a damp paper towel) to restore moisture. The texture holds up surprisingly well, though the ganache may soften slightly. 🧊

Reviving Dry Cake

If your cake starts to dry out (especially if stored too long), don’t toss it! Brush the slices with 1 tablespoon warm water or simple syrup (equal parts sugar and water, heated until dissolved) and let them sit for 5 minutes.

The moisture will revive the crumb, making it almost as good as fresh. For extra richness, drizzle with melted chocolate or a thin layer of chocolate glaze before serving. This trick works like magic for stale cake! 💫

Ganache Refresh

The ganache can separate or harden if stored improperly. To fix it, gently warm the cake in the microwave for 10-15 seconds (just until the ganache softens). If the ganache is too thick, stir in 1 teaspoon heavy cream to restore its smooth consistency.

For a quick upgrade, top the cake with toasted nuts (like hazelnuts or pecans) or fresh berries for a pop of color and freshness. The contrast is amazing! 🍫

Serving After Storage

Always serve this cake at room temperature for the best experience. If it’s been refrigerated or frozen, let it sit for 20-30 minutes before slicing.

Use a serrated knife (like a Mercer Culinary Genesis) and dip it in hot water, then wipe dry between slices—this ensures clean cuts every time. Garnish with powdered sugar, chocolate shavings, or a sprinkle of sea salt for a restaurant-worthy finish. 🍴

Frequently asked questions