- 1 (16 ounce) package pound cake mix
- 2 eggs
- 1/2 cup mashed ripe bananas, or to taste (optional)
- 1/4 cup peanut butter
- 1/4 cup butter, softened
- 1/4 cup chocolate chips, or to taste (optional)
- 2 teaspoons vanilla extract
- 1 teaspoon ground cinnamon, or more to taste
- Preheat oven to 350 degrees F (175 degrees C). Grease 12 muffin cups.
- Combine pound cake mix, eggs, bananas, peanut butter, butter, chocolate chips, vanilla extract, and cinnamon in a bowl; pour into prepared muffin cups.
- Bake in the preheated oven until a toothpick inserted in the center comes out clean, 20 to 25 minutes.