Strawberry Banana Split Cake

INGREDIENTS

2 cups

graham cracker crumbs (about 32 squares)

1/2 cup

butter or margarine, melted

1/4 cup

sugar

FILLING:

1/2 cup

butter or margarine, softened

2 cups

confectioners' sugar

1 tbsp

milk

1 tsp

vanilla extract

large firm bananas, cut into 1/4-inch slices

2 8 ounce cans

crushed pineapple, drained

2 qt

fresh strawberries, sliced

TOPPING:

2 cups

whipping cream

1/4 cup

confectioners' sugar

1 1/2 cups

chopped walnuts