Coffee Cake - cooking recipe

Ingredients

5 c. Master Cake Mix
1/2 c. sugar
4 Tbsp. butter
3 eggs
1 commercial sour cream
1 tsp. vanilla

Preparation

Put Master Cake Mix in bowl; blend in additional sugar and butter.
Add eggs and beat well, then add sour cream and vanilla. This can be mixed with electric mixer or by hand.
Beat thoroughly until batter is smooth.