Double Cream Chocolate Cake - cooking recipe

Ingredients

Pillsbury Plus chocolate cake mix
1 c. milk
2 Tbsp. cornstarch
half and half
1/2 c. butter
1/2 c. margarine
1 c. sugar
1 tsp. vanilla
pinch of salt

Preparation

Cook milk, cornstarch and half and half until thick as pudding.
Refrigerate until cold.
Cream butter, margarine, sugar, vanilla and salt.
Add milk and cornstarch mixture.
Beat continuously 5 minutes.
Frost cake.
Put in refrigerator.