Ingredients

2 and 1/2 cups flour
4 teaspoons baking powder
1/2 teaspoon salt
1/2 cup sugar
1/4 cup butter or margarine
1 egg
1 cup milk
1 teaspoon vanilla
1 and 1/2 cups blueberries

Preparation

1.  Sift together flour, baking powder, and salt.

2.  Cream sugar, butter, and egg.

3.  Add sifted ingredients to creamed mixture and combine.

4.  Add liquid all at once and stir until blended.

5.  Fold in blueberries.

6.  Spoon into 12 large greased muffin cups.

     
     Topping

7.  Mix 1/2 cup sugar, 1/2 teaspoon cinnamon, and 1/3 cup
    flour.  Cut 1/4 cup butter or margarine into mixture
    till it crumbles.

8.  Sprinkle topping over top of muffins.

10.  Bake at 375 degrees for 20-25 minutes.