Banana Peanut Butter Cake

A delicious banana cake filled with natural peanut butter and sliced bananas, topped with a honey buttercream frosting.

2 cups cake flour
1 1/2 tsp baking powder
1 1/2 tsp salt
1 cup unsalted butter (2 sticks), softened, plus more for the pan
1 cup tightly packed light brown sugar
2 large eggs, room temperature
1 1/2 cups mashed very ripe banana, plus 1 extra banana sliced into coins (about 6 bananas total)
1 cup natural creamy peanut butter, room temperature
1 1/2 cups unsalted butter (3 sticks), softened
3/4 cup honey
2 cups powdered sugar, sifted
1 tbsp. heavy cream or whole milk
3/4 tsp salt
1/2 cup chopped walnuts

View the full recipe at Cup of Zest →