Ingredients
For the cake:
2 cups all-purpose flour
2 1/2 cups sugar
3/4 cup unsweetened cocoa powder
2 tsp baking soda
1 tsp salt
1 cup canola oil
1 cup sour cream
1 1/2 cups water
2 tbsp distilled white vinegar
1 tsp vanilla extract
2 eggs
For the peanut butter frosting:
2 cups creamy peanut butter
4 cups powdered sugar
1 cup plus 2 tbsp unsalted butter, at room temperature
1 tbsp plus 1 1/2 tsp pure vanilla extract
3/4 tsp Kosher salt
1/2 cup heavy whipping cream
For the ganache:
8 oz milk or semisweet chocolate chips
3 tbsp smooth peanut butter
2 tbsp light corn syrup
1/2 cup half-and-half
Preparation