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Pistachio Icebox Cake Recipe

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4.3 from 4 reviews

This Pistachio Icebox Cake is a quick and easy no-bake dessert featuring layers of crunchy graham crackers, creamy instant pistachio pudding filling, and light whipped topping. Perfect for a delicious treat in just 10 minutes of prep time, it requires no baking and chills in the fridge to create a refreshing and indulgent cake with a nutty crunch.

Ingredients

Filling

  • 2 packages (3.4 ounces each) instant pistachio pudding mix and pie filling
  • 2 2/3 cups whole milk
  • 1 cup whipped topping, thawed (from the 16 ounces divided)

Cake Layers

  • 18-21 full-sheet graham crackers

Topping

  • 15 ounces whipped topping, thawed (remaining from the 16 ounces divided)
  • Chopped pistachios, optional, for garnish

Instructions

  1. Make the Filling: In a large bowl, whisk or beat with an electric mixer on medium speed the instant pistachio pudding mix and milk until smooth and thickened, about 2 minutes. Fold in 1 cup of whipped topping gently until well combined to create a creamy pistachio filling.
  2. Assemble the First Layer: Arrange 6-7 full sheets of graham crackers evenly on the bottom of a 9×13-inch dish, covering the base completely to form the first layer.
  3. Add the First Pudding Layer: Spread half of the pistachio pudding filling evenly over the graham cracker layer, smoothing the surface with a spatula.
  4. Build the Second Layer: Add another layer of 6-7 graham cracker sheets on top of the pudding layer, then evenly spread the remaining pistachio filling over this second layer.
  5. Add the Final Graham Cracker Layer: Place the last 6-7 graham cracker sheets on top, completing the layered structure of the cake.
  6. Apply the Topping: Spread the remaining whipped topping smoothly over the top graham cracker layer. Sprinkle chopped pistachios over the whipped topping for garnish if desired.
  7. Chill the Cake: Cover the dish and refrigerate for a minimum of 4 hours, preferably overnight, to allow the pudding to set and the graham crackers to soften fully, achieving the perfect cake texture.
  8. Serve: Cut the chilled cake into 12-15 squares depending on preferred serving size and enjoy this refreshing pistachio dessert.

Notes

  • Ensure the whipped topping is completely thawed before folding it into the pudding filling for a smooth consistency.
  • Allow ample chilling time in the refrigerator so the pudding layers set properly and graham crackers soften, enabling clean slicing.
  • For the best flavor and texture, refrigerate the cake overnight to let the flavors meld thoroughly.