Cream butter, add sugar & beat, add egg & beat well. Add dry ingredients alternately with milk. Fold in berries. Fill papers 2/3 full.
Topping: ½ cup sugar ½ cup flour
¼ cup soft butter ½ tsp. cinnamon
Mix all together & sprinkle on top of muffins. Bake @ 400 for 20-25 minutes. Makes 12-15 muffins