Just stir everything together with ... to pour into muffin tins. Bake 18 to 20 ... and whole wheat flour is in the bulk food section of the super market.
Cream butter and sugar. Add ... baking soda. Add flour and sour cream alternately and ... gently. Pour into muffin tins; bake at 425 degrees ... Add walnuts to batter.
Ingredients: 9 (blueberries .. cream .. egg .. flour .. less .. soda ...)