Banana Split Lush

graham cracker crumbs

chopped walnuts or pecans, divided

granulated sugar

butter, melted

[8] oz cream cheese

powdered sugar

[20] oz can crushed pineapple, drained

medium bananas, sliced

[3.4] oz white chocolate instant pudding

milk

[16] oz whipped topping or 4 cup fresh whipped cream, divided

hot fudge sauce, slightly warmed

maraschino cherries with stems

sprinkles [optional]