Sweet Blueberry Muffins - cooking recipe

Ingredients

2 c. flour
1 1/2 c. sugar
2 tsp. baking powder
1/2 c. butter or margarine
2 eggs
1/2 c. milk
1 tsp. vanilla extract
2 1/2 c. blueberries (fresh or frozen) *
sugar

Preparation

*If frozen, don't thaw.