Double Chocolate Crunch Cake

Name: Double Chocolate Crunch Cake
Prep time: 1 h
Cook time: 35 min
Total time: 1 h 35 min
Cuisine: American
Ingredients: 1 1/2 cup all purpose flour; 1 1/2 cups granulated sugar; 3/4 cup Dutch-processed cocoa powder sifted; 1 tsp baking powder; 1 tsp salt; 1/4 cup vegetable oil; 3/4 cup buttermilk, room temperature; 3/4 cup warm water; 2 large eggs; 2 tsp vanilla; 4 cups (1lb) powdered sugar, sifted; 1 cup (2 sticks) unsalted butter, at room temperature; 1/8 teaspoon salt; 1/4 cup heavy whipping cream; 2 teaspoons vanilla extract; ⅓ cup unsweetened cocoa powder; 6 scoops of chocolate ice cream; 6 double chocolate chip cookies; Chocolate sauce; Chocolate sprinkles; 2 Snicker bars