Banana Split Ice Cream Cake

INGREDIENTS

• :
• 20 Oreo cookies, crushed into crumbs
• 4 tablespoons unsalted butter, melted
• 2 to 3 bananas, sliced ½-inch thick
• 1 pint
• 1 cup
• (make sure it's a pourable consistency, warm briefly if necessary)
• , at room temperature (make sure it's a pourable consistency, warm briefly if necessary)
• ½ cup
• 1 cup heavy cream
• 2 tablespoons granulated sugar
• 1 teaspoon vanilla extract
• Maraschino cherries
• Chopped walnuts