Decadent Chocolate Peanut Butter Cake
This decadent chocolate peanut butter cake is such a crowd pleaser for any occasion. The cake is rich and dense but not overly sweet, and the buttercream is so silky. Peanuts and mini peanut butter cups are the perfect garnish. Serve it at your next party to get a lot of wows!
Estimated Nutrition (whole recipe, rough)
Counts 9 of 10 ingredients — the other 1 aren't in our nutrition table and contribute nothing above, so the real totals are higher.
What these numbers assume — 9 portions →
| Ingredient | Portion assumed | kcal |
|---|---|---|
| Flour | 1 cup (125g) all-purpose | 455 |
| Peanut | 1 oz (28g) | 161 |
| Chocolate | 1 oz (28g) semisweet | 155 |
| Milk | 1 cup (244ml) whole | 149 |
| Butter | 1 tbsp (14g) | 102 |
| Egg | 1 large egg (50g) | 78 |
| Sugar | 1 tbsp (12.5g) granulated | 49 |
| Vanilla | 1 tsp extract (4ml) | 12 |
| Salt | 1 tsp (6g) | 0 |
| Cake | not in our table | 0 |
Totals for the whole recipe, adding one typical portion per ingredient — listed above. Quantities in the recipe are not counted, so this is a rough guide only — not suitable for medical or dietary planning.
Ingredients
- 2 cups FOR THE CAKE:
- ½ cups All-purpose Flour
- ½ teaspoons Unsweetened Cocoa Powder
- ½ teaspoons Baking Powder
- ½ teaspoons Baking Soda
- 2 ounces, weight Salt
- ¼ cups Bittersweet Chocolate (coarsely Chopped)
- 2 sticks Peanut Butter
- 1-½ cup Unsalted Butter, At Room Temperature
- 2 whole Granulated Sugar
- 2 Eggs
- 1 teaspoon Egg Yolks
- 1 cup Vanilla Extract
- 6 ounces, weight Buttermilk
- 3 Tablespoons FOR THE FROSTING:
- ¼ cups Bittersweet Chocolate (coarsely Chopped)
- 2 Tablespoons Peanut Butter
- 2 sticks Dark Brown Sugar
- 1 pinch Buttermilk
- 3-½ cups Unsalted Butter, At Room Temperature