frozen pistachio delight

Frozen pistachio delight
1 1/2 c graham cracker crumbs
6 T butter melted
1 1/4 c milk
2 small boxes pistachio pudding
1/2 gal vanilla ice cream
1-9oz cool whip
1/2 bag of toffee candy bits
Melt butter, mix with crumbs. Press into a 9×13 pan. Bake at 325 for 10 minutes. Mix pudding with milk. Fold pudding into softened ice cream and spread over crust. Cover with cool whip and top with candy bits. Freeze. You can use an electric mixer to mix the ice cream and pudding