Combine 2 cups graham cracker crumbs with 6 tbsp melted butter and 2 tbsp sugar in a bowl until the mixture resembles wet sand. Press this mixture firmly into the bottom of a 9-inch springform pan, creating an even, compact base layer.
Spread 1 quart of softened vanilla ice cream evenly over your prepared crust, smoothing the top with an offset spatula. Freeze for 45 minutes until this layer becomes firm enough to support the next layer without mixing together.
After the vanilla layer sets, prepare your cozy ice cream cake recipe by spreading 1 quart of softened chocolate ice cream directly over the vanilla layer. Smooth the top carefully and freeze for another 45 minutes to create distinct, beautiful layers.
Whip 1 cup heavy cream with 3 tbsp powdered sugar and 1 tsp vanilla extract until stiff peaks form. Fold in 12 oz whipped topping gently to create a luxurious frosting layer for your cake.
Spread the whipped cream mixture over the chocolate layer, then drizzle with chocolate sauce and caramel sauce in decorative patterns. Sprinkle 2 tbsp sprinkles on top and dust with cocoa powder mixed with instant coffee powder for added depth and elegance.
Cover and freeze for at least 8 hours or overnight before serving to ensure all layers are completely set. This resting time allows flavors to meld and creates the perfect texture for clean slicing.