Good-Cooking - Chocolate-Peanut Butter Cake

Ingredients

• shed chocolate cookies or Oreo or Hydrox sandwich cookies, filling and all
• 4 tablespoons unsalted butter, melted
• 10 double graham crackers
• 1/2 cup packed brown sugar
• 1/2 pound unsalted butter
• 2 cups chunky peanut butter
• 11 (1 ounce) squares high quality chocolate
• 6 egg yolks
• 1 1/2 cups heavy cream