1 1/2 cups all-purpose flour
1 teaspoon baking soda
1 teaspoon baking powder
1/2 teaspoon salt
1/2 teaspoon cinnamon
2 bananas, mashed
1/3 cup pumpkin puree
1/2 cup white sugar
1 egg, lightly beaten
1/3 cup butter, melted
1/3 cup packed brown sugar
2 tablespoons all-purpose flour
1/8 teaspoon ground cinnamon
1 tablespoon butter
Preheat oven to 375 degrees
Lightly grease 12 muffin cups, or line with muffin papers.
In a large bowl, beat together bananas, sugar, egg and melted butter.
In another bowl, mix together 1 1/2 cups flour, baking soda, baking powder and salt.
Stir the the flour mixture into the banana mixture, just until moistened. Spoon batter into prepared muffin cups.
In a small bowl, mix together brown sugar, 2 tablespoons flour and cinnamon. Cut in 1 tablespoon butter until mixture resembles coarse cornmeal. Sprinkle topping over muffins.
Bake in preheated oven for 18 to 20 minutes, until a toothpick inserted into center of a muffin comes out clean.