CRUNCH LAYER:

1 c. graham cracker crumbs
1 c. brown sugar
1/2 c. chopped walnuts
1/2 c. butter, melted

CAKE:

1 pkg. yellow cake mix
1/2 c. water
1/2 c. orange juice
1/3 c. oil
3 eggs
2 tbsp. grated orange peel

Heat oven to 350 degrees. Grease and flour two 9 inch round cake pans.

In small bowl, combine crunch layer ingredients until crumbly. Press half of crunch mixture into each prepared pan.

In large bowl, blend cake ingredients at low speed until moistened; beat 2 minutes at highest speed. Pour batter evenly over crunch layer. Bake at 350 degrees for 30 to 35 minutes or until toothpick inserted in center comes out clean. Cool 10 minutes. Remove from pans. Cool completely.

FROSTING:

1 can Pillsbury's Ready to Spread Vanilla frosting supreme
1 c. frozen whipped topping, thawed
3 tbsp. grated orange peel
1 tsp. grated lemon peel
11 oz. can mandarin oranges or 1 orange, sectioned and drained

In small bowl, beat frosting until fluffy; add whipped topping and continue beating until light and fluffy. Fold in grated orange and lemon peel. Place one layer crunch side up, on serving plate; spread with 1/4 of frosting. Top with remaining layer, crunch side up. Spread top and sides with remaining frosting. Arrange orange sections on top. Garnish with mint leaves. Store in refrigerator; 16 servings.

MAKE A DAY AHEAD BEFORE SERVING THIS CAKE.