Bananna-Blueberry Streusel Muffins

Muffins
1/2 cup butter, softened
1/2 cup packed brown sugar
1 1/2 cups (3 medium ) mashed ripe bannanas
1/4 cup milk (or sour cream)
1 teaspoon vanilla
2 eggs
2 cups flour
1 teaspoon baking powder
1 teaspoon baking soda
1/4 teaspoon salt
1 cup fresh or frozen blueberries (do not thaw)

Streusal Topping
3 Tablespoons flour
2 Tablesoons firmly packed brown sugar
1/2 teaspoon cinnamon
2 tablespoons butter
1/4 cup chopped nuts (optional)

1. Heat oven to 375 degrees. Grease bottoms only of 18 muffin cups or line with paper baking cups. In large bowl, combine 1/2 cup butter 1/2 cup brown sugar; beat until fluffy. Add bananas, milk, vanilla and eggs; blend well

2. Add 2 cups flour, baking powder, baking soda, and salt; gently stir in 1 cup blueberries. Fill muffin cups 3/4 full

3. In small bowl, combine 3 Tablespoonss flour, 2 Tablespoons brown sugar and cinnamon; mix well. With pastry blender or fork, cut in 2 Tablespoons brown sugar until mixture is crumbly. Stir in nuts. Sprinkle over batter.

4. Bake at 374 degrees for 18-23 minutes (unless your using Megan's oven, than it's anybodys guess) or until toothpick comes out clean. Cool three minutes remove from pan and ENJOY!