Cream together butter and sugar with an electric mixture until light and fluffy
Add eggs one at a time and beat after each addition
Stir sour cream into moist mixture
Add moist mixture to dry mixture all at once and stir until batter is moist but still lumpy
Fill 16 prepared muffin cups 3/4 full
Bake 23-25 minutes or until golden
Notes
Makes 16 muffins.
If you have muffin cups that do not have batter in them, 1/2 fill them with water then put tray in the oven. This will ensure that the muffins bake evenly.