Cream Cheese Sheet Cake - cooking recipe

Ingredients

1 cup butter or 1 cup margarine, softened,plus
2 tablespoons butter or 2 tablespoons margarine, softened
6 ounces cream cheese
2 1/4 cups sugar
6 eggs
1 teaspoon vanilla
2 1/4 cups flour
Frosting
1 cup sugar
1/3 cup evaporated milk
1/2 cup butter or 1/2 cup margarine
1/2 cup semi-sweet chocolate chips

Preparation

Cream butter, cheese, and sugar.
Add eggs, one at a time, beating well after each addition.
Beat in vanilla.
Add flour; mix well.
Pour into greased 15in by 10in baking pan.
Bake at 325* for 35 minutes.
Cool completely.
Frosting: Mix sugar and milk in saucepan.
Bring to a boil over med heat.
Cover and cook for 3 minutes (do not stir).
Stir in butter and chocolate chips until melted.
Cool slightly; stir; spread over cake.