World's Best Blueberry Muffins (cakelike)

1/2 cup sugar
4 T. butter
1 egg
2 1/2 cake flour
4 tsp. baking powder
1 tsp. salt
1 cup milk
1 tsp. vanilla
1 1/2 cup fresh or frozen blueberries

Cream the butter and sugar. Add the egg. Mix the dry ingredients and add alternately with the milk. Add the vanilla; fold in the blueberries. Fill 12 muffin cups with the batter.

Streusel Topping:

1/4 cup sugar
1/2 tsp. cinnamon
1/3 cup flour
4 T. cold butter

Crumble the butter into the rest of the ingredients and sprinkle over the batter in the muffin cups.

Bake at 375 degrees for 20 - 25 minutes.

Makes 12 muffins

Alternative Topping: Sprinkle muffins with sugar and cinnamon or nutmeg.