Perfect Yellow Layer Cake {Peanut Butter Filling + Chocolate Frosting}

INGREDIENTS

2 cups

all-purpose flour

2 tsp

baking powder

3/4 tsp

salt

3/4 cup

unsalted butter, melted

1 1/2 cups

sugar

large eggs

1 1/2 tbsp

vanilla bean paste

1 cup

buttermilk

1 cup

creamy peanut butter (not natural or homemade)

2 cups

powdered sugar

1 tbsp

vanilla extract

3/4 cup

heavy whipping cream

1/2 cup

unsalted butter, melted

3/4 cup

unsweetened cocoa powder

3 cups

powdered sugar

1/4 tsp

salt, optional

3 oz

(volume) heavy whipping cream (just over 1/4 cup)

1 tbsp

vanilla