Twinkie Cakes - cooking recipe

Ingredients

1 box yellow cake mix
5 Tbsp. flour
1 c. milk
1 c. sugar
1/2 tsp. salt
1/2 c. shortening
1 stick butter

Preparation

Bake cake according to directions in a 9 x 13-inch cake pan. Let cool. Remove from pan.
Let it cool completely.
Split into two layers with a thread.
While cake is cooling, combine the 5 tablespoons flour and
milk.
Boil until thick. Stir constantly. Let cool. Combine sugar, milk, salt, shortening and butter with mixer for 15 minutes. Add flour and beat 3 more minutes. Spread on one layer.
Add top. Cut into pieces.