Ingredients
Equipment
Method
- Step 1: Preheat your oven to 350°F (175°C). Grease and flour your favorite bundt pan or a 9-inch round cake pan.
- Step 2: In a medium bowl, whisk together the flour, baking powder, baking soda, and salt. Set aside.
- Step 3: In a large mixing bowl (or using a stand mixer), beat the softened butter and granulated sugar together until light and fluffy, about 2-3 minutes. Add the large eggs one at a time, beating well after each addition. Stir in the vanilla extract.
- Step 4: Alternately add the dry ingredients mixture and the buttermilk to the wet mixture. Start with a third of the dry, mix until just combined, then half the buttermilk, mix, then another third of the dry, the rest of the buttermilk, and finally the last of the dry ingredients. Mix until smooth, being careful not to overmix.
- Step 5: Divide the batter evenly into three separate bowls. Leave one bowl plain. To the second bowl, add the cocoa powder and black food coloring; stir until deep black. To the third bowl, add orange food coloring and mix until vibrant.
- Step 6: Spoon alternating dollops of each colored batter into your prepared pan. Gently swirl the colors together with a knife or a skewer, but do not overdo it to prevent colors from blending too much.
- Step 7: If using, sprinkle the semi-sweet chocolate chips evenly over the top of the batter.
- Step 8: Bake for 40–45 minutes, or until a toothpick inserted into the center comes out clean.
- Step 9: Let the cake cool in the pan for about 15 minutes. Carefully invert it onto a wire rack to cool completely before slicing and serving.
Notes
This cake is incredibly versatile! You can change food coloring colors to purple and green for a witchy vibe, or red and black for a vampy cake. If you don't have buttermilk, make a substitute by adding 1 tablespoon of white vinegar or lemon juice to a measuring cup, then fill to 1 cup with regular milk; let sit 5-10 minutes until slightly curdled. For extra flavor, add a tiny bit of orange zest or a splash of almond extract. The cake is delicious plain, or you can add a simple vanilla glaze, rich chocolate ganache, or creamy cream cheese frosting. Stir in Halloween sprinkles, chopped candy corn, or mini M&M's into the batter for extra texture. This recipe can also be made as about 24 cupcakes, baking for 18-22 minutes.
Tips for Success: Always use room temperature ingredients for a smoother batter and lighter cake. Do not overmix the batter once dry ingredients are added to avoid a tough cake. Use gel food coloring for vibrant, rich hues without thinning the batter. Use a light hand when swirling for the best marble effect. Don't skimp on greasing and flouring your pan, especially for bundt cakes. You can prep the plain batter up to a day in advance and store it covered in the fridge; let it come to room temperature before coloring.
Storage: Store cooled cake in an airtight container at room temperature for up to 3-4 days (ensure frosting, if used, can be stored at room temp). For longer storage or with frostings requiring refrigeration, store in an airtight container in the fridge for up to a week; bring to room temperature for 30 minutes before serving. This cake freezes beautifully: wrap individual slices or the whole unfrosted cake tightly in plastic wrap, then aluminum foil, for up to 2-3 months. Thaw in the refrigerator overnight or at room temperature for a few hours.