Cakes Sour Cream Muffins By August 2, 2021 2 c. Bisquick 1/4 c. sugar 1/4 tsp. baking soda 1 c. sour cream 1 egg Combine all ingredients. Spray Pam in muffin pan. Bake at 350 degrees for 15-20 minutes. Makes 1 dozen.