Blueberry Streusel Muffins - cooking recipe

Ingredients

1/3 c. sugar
1/4 c. butter or margarine, softened
1 egg, beaten
2 1/3 c. flour
4 tsp. baking powder
1/2 tsp. salt
1 c. milk
1 tsp. vanilla extract
1 1/2 c. fresh or frozen blueberries

Preparation

In a mixing bowl cream sugar and butter.
Add egg; mix well. Combine flour, baking powder and salt; add to the creamed mixture alternately with milk.
Stir in vanilla.
Fold in blueberries. Fill 12 greased or paper-lined muffin cups two-thirds full. Sprinkle with streusel mix.