Banana Muffin

Ingredients:
For the muffins:
1 1/2 cups all-purpose flour
1 teaspoon baking soda
1 teaspoon baking powder
1/2 teaspoon salt
2 bananas, mashed
4 tbsp unsweetened applesauce
3/4 cup white sugar
1 egg, lightly beaten

For the crumb topping:
1/3 cup butter, melted
1/3 cup packed brown sugar
2 tablespoons all-purpose flour
1/8 teaspoon ground cinnamon
1 tablespoon butter

Directions:
1. Preheat oven to 375 degrees F (190 degrees C).
2. Lightly grease 12 muffin cups, or line with muffin papers.
3. In a large bowl, mix together 1 1/2 cups flour, baking soda, baking powder and salt.
4. In another bowl, beat together bananas, applesauce, sugar, egg and melted butter.
5. Stir the banana mixture into the flour mixture just until moistened. Using and ice cream scoop, scoop batter into prepared muffin cups and fill 3/4 full.
6. In a small bowl, mix together brown sugar, 2 tablespoons flour and cinnamon. Cut in 1 tablespoon butter until mixture resembles coarse cornmeal. Sprinkle heaping teaspoonfuls of the topping over muffins.
7. Bake in preheated oven for 18 to 20 minutes, until a toothpick inserted into center of a muffin comes out clean.