Twinkie Cake

Grrrrrgh!
Course : Cakes
From: HungryMonster.com
Serves: 12
 

Ingredients:

1 Package yellow cake mix
3 Ounces vanilla pudding -- instant
1 Cup water
1/3 Cup vegetable oil
3 large eggs
1 Teaspoon salt
---FILLING:
5 Tablespoons flour
1 Cup sugar
1/2 Cup shortening
1 Cup water
1/2 Cup Margarine
2 Teaspoons vanilla
 

Preparation:

Mix cake mix, pudding, water, oil, eggs and salt. Pour into waxed paper lined 9X13" pan. Bake at 350° for 35-40 minutes. Cool. Remove cake from pan and slice lengthwise with a thread. Combine flour and water. Cook until thick. Cool. combine sugar, margarine, shortening and vanilla. Beat until thick and fluffy. Add this to the cooled flour mixture. Sread filling mixture on one half of cake top with other half of cake.