INGREDIENTS
•
Prep Time: 30 minutes
•
Cook Time: 20 minutes
•
Yield: about 16 standard size cupcakes
•
For the cupcakes:
•
1/4 cup + 2 tablespoons unsweetened Dutch-process cocoa powder + extra for dusting
•
1/4 cup + 2 tablespoons hot water
•
1 1/2 cups all-purpose flour
•
1/2 teaspoon baking soda
•
1/2 teaspoon baking powder
•
1/2 teaspoon salt
•
3/4 cup (1.5 sticks) unsalted butter
•
1 cup + 2 tablespoons sugar
•
2 large eggs, at room temperature
•
2 teaspoons vanilla extract
•
1/2 cup sour cream, at room temperature
•
For the frosting:
•
3/4 cup (1.5 sticks) unsalted butter, at room temperature
•
1 3/4 cup confectioners' sugar
•
3/4 cup creamy peanut butter
•
pinch of salt
•
For the chocolate ganache:
•
6 ounces semisweet chocolate, chopped
•
2/3 cup heavy cream
•
1 tablespoon light corn syrup
•
peanut butter cups, for garnish