Instructions: Preheat oven to 375. Cream first 4 ingredients. In a separate bowl, sift flour and baking powder together. Add to creamed mixture alternately with milk and sour cream. Fold in blueberries. Spoon into greased muffin tin and sprinkle with crumb topping.

Bake 20-25 minutes

NOTES : Cris

Note:I dont bother to sift, and Ive found that these really should be baked in paper liners, then allowed to cool completely before trying to remove papers. These are unequivocally the best muffins Ive ever tasted!

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