Pistachio Cake And Frosting - cooking recipe

Ingredients

1 box white cake mix
1 (3 1/2 ounce) box instant pistachio pudding mix (small box)
3 eggs
1 cup 7-Up soda
3/4 cup vegetable oil
1/2 cup flaked coconut
1 cup chopped walnuts
FROSTING
2 envelopes Dream Whip
1 (3 1/2 ounce) box instant pistachio pudding mix (small box)
1 1/2 cups cold milk

Preparation

CAKE: Mix all ingredients together in a large bowl all at once.
Pour into greased and floured 9x13\" pan and bake at 350 degrees for 45 minutes.
Cool completely and make frosting: Put all ingredients into large bowl and whip until stiff peaks form.
Frost cooled cake and sprinkle with chopped walnuts, if desired.