Twinkie Cake - cooking recipe

Ingredients

1 box yellow cake mix
1 (3 oz.) box instant vanilla pudding
1/2 tsp. salt
1 c. water
1/3 c. vegetable oil
3 eggs
5 Tbsp. flour
1 c. water
1/2 c. shortening
1/2 c. margarine
1 c. sugar
2 tsp. vanilla

Preparation

Combine first 6 ingredients.
Mix .
Pour into a 9 x 13-inch pan which has been lined with waxed paper.
Bake at 350\u00b0 for 35 minutes.
Cool cake completely and remove from pan.
Slice cake in 1/2 lengthwise.