Ingredients:

2 cups all-purpose flour
1/2 cup granulated sugar
1 tablespoon baking powder
1 teaspoon ground cinnamon
1/2 teaspoon salt
1 cup milk
1 large egg, beaten
1/3 cup vegetable oil
1 cup mashed bananas
1 teaspoon vanilla extract
1/2 cup chopped nuts

Streusel Topping:
1/3 cup granulated sugar
1/4 cup all-purpose flour
1/4 teaspoon ground cinnamon
3 tablespoons cold butter

Methods:

1. Heat oven to 400*F (205*C). Grease and flour a 12-cup muffin tin or line with paper liners.
2. Combine flour,sugar,baking powder,cinnamon and salt in a medium bowl make a well in the center.
3. In another bowl,mix milk,egg, vegetable oil, bananas, vanilla and nuts. Pour mixture into well. Mix batter until just moistened; do not over mix.
4. In a small bowl for the topping, combine sugar,flour and cinnamon cut in butter until crumbly.
5. Fill prepared muffin tins three-fourths full. Sprinkle topping over muffins. Bake for 15 to 18 minutes or until muffins test done. Cool in pan on wire rack.