1 (15 oz.) pkg. Oreo cookies
1/2 c. melted butter
1/2 gal. softened vanilla ice cream
1/2 c. roasted unsalted peanuts
2 c. powdered sugar
2/3 c. chocolate chips
1/2 c. butter
1 (12 oz.) can evaporated milk

Combine crushed cookies and 1/2 cup melted butter; place in bottom of 9 x 13 inch pan. Carefully spoon ice cream over crumb mixture. Sprinkle with half of the peanuts. Place in freezer while preparing topping. Combine powdered sugar, chocolate chips, 1/2 cup butter and evaporated milk; heat until chips melt. Bring to a boil and simmer for 10 minutes. Let cool and pour over dessert. Sprinkle on the rest of peanuts. Freeze.