Creamy Nut Filling and Frosting

2.5 tsp cake mix. Add 1/2 c milk.
Cook 10 minutes until thick paste, stir constantly, cool.

Cream together:
1/2 c shortening
1/2 c powdered sugar
1/4 tsp salt
Add: lukewarm paste, beat until fluffy.
Fold in: 1/2 tsp vanilla and 1/2 cup chopped nuts.
Add: 1 c sifted powdered sugar. Put layers together and frost top and sides.