Why You’ll Love This Recipe
- Peanut Butter & Banana Magic : The iconic flavor combo is rich, creamy, and utterly irresistible.
- Sheet Cake Simplicity : Easy to make in one pan, no fancy layers required.
- Chocolate Glaze Perfection : A glossy, fudgy topping takes this cake to the next level.
- Crowd-Pleasing : Perfect for feeding a crowd at potlucks, birthdays, or holiday gatherings.
- OMG-Worthy : One bite and you’ll see why this recipe is too good to lose!
Ingredients You’ll Need
For the Banana Sheet Cake:
- 2 cups all-purpose flour
- 1 1/2 cups granulated sugar
- 1 tsp baking soda
- 1/2 tsp salt
- 1 cup sour cream (or Greek yogurt)
- 1/2 cup vegetable oil (or melted butter)
- 2 large eggs , room temperature
- 1 tsp vanilla extract
- 1 cup mashed ripe bananas (about 2–3 medium bananas)
For the Peanut Butter Frosting:
- 1 cup unsalted butter , softened
- 1 cup creamy peanut butter
- 4 cups powdered sugar
- 1/2 cup heavy cream (or milk)
- 1 tsp vanilla extract
For the Chocolate Glaze:
- 1/2 cup semi-sweet chocolate chips
- 1/4 cup heavy cream
Step-by-Step Instructions
Step 1: Preheat & Prep
- Preheat your oven to 350°F (175°C) . Grease a 9x13-inch baking pan and line it with parchment paper for easy removal.
Step 2: Make the Banana Cake
- In a large mixing bowl, whisk together the flour, sugar, baking soda, and salt.
- In a separate bowl, combine the sour cream, vegetable oil, eggs, vanilla extract, and mashed bananas. Stir until smooth.
- Gradually add the wet ingredients to the dry ingredients, mixing until just combined. Be careful not to overmix.
- Pour the batter into the prepared pan and spread it evenly. Bake for 25–30 minutes , or until a toothpick inserted into the center comes out clean. Let the cake cool completely before frosting.