Why You’ll Love This Recipe
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Moist and fluffy: Tender yellow cake pairs perfectly with creamy filling.
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Unique pistachio flavor: Pistachio pudding adds a delightful nutty twist.
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Easy to assemble: Simple layers with whipped topping.
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Crowd-pleaser: Great for holidays, parties, or casual get-togethers.
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Classic comfort dessert: A retro favorite that never goes out of style.
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
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Yellow cake mix (plus ingredients for cake)
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Instant pistachio pudding mix
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Milk
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Cream cheese (softened)
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Butter (softened)
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Powdered sugar
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Whipped topping (such as Cool Whip)
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Chopped pecans or walnuts
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Vanilla extract
Directions
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Bake cake: Prepare and bake yellow cake according to package instructions. Let cool completely.
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Make pistachio filling: In a bowl, combine instant pistachio pudding mix and milk. Whisk until thickened.
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Prepare cream cheese frosting: Beat cream cheese, butter, powdered sugar, and vanilla until smooth and fluffy.
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Combine filling and frosting: Fold whipped topping and pistachio pudding into the cream cheese mixture.
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Assemble cake: Spread the pistachio filling evenly between the cooled cake layers and over the top.
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Garnish: Sprinkle chopped nuts on top.
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Chill: Refrigerate the cake for at least 2 hours before serving.
Servings and Timing
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Servings: 12
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Prep Time: 20 minutes
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Cook Time: 30-35 minutes
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Chill Time: 2 hours
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Total Time: Approximately 3 hours
Variations
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Use homemade cake: Substitute with a homemade yellow or white cake.
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Nut-free: Omit nuts or use seeds like sunflower seeds.
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Add fruit: Incorporate crushed pineapple or mandarin oranges in the filling.
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Gluten-free: Use a gluten-free cake mix.
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Flavor twist: Add almond extract to the filling for extra nuttiness.
Storage/Reheating
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Storage: Keep refrigerated in an airtight container for up to 4 days.
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Freezing: Freeze covered for up to 1 month; thaw in the fridge before serving.
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Reheating: Serve chilled or at room temperature; no reheating needed.
FAQs
What is Watergate Cake?
A layered yellow cake with pistachio pudding filling and whipped topping.
Can I use fresh pistachios?
Chopped fresh pistachios make a great garnish but pudding mix provides flavor.
Can I make this cake ahead?
Yes, it tastes better after chilling overnight.
How do I keep the cake moist?
Cover well and refrigerate promptly.
Can I use homemade frosting?
Yes, cream cheese or buttercream frosting works.
Is this cake kid-friendly?
Yes, sweet and creamy flavors appeal to all ages.
Can I double the recipe?
Yes, use two cake pans and double filling ingredients.
How do I prevent filling from being too runny?
Use full-fat ingredients and chill until firm.
Can I substitute pudding flavor?
Vanilla or almond pudding are good alternatives.
Does the cake freeze well?
Yes, wrapped tightly and thawed in the refrigerator.
Conclusion
Watergate Cake is a delightful and nostalgic dessert that combines the moistness of yellow cake with a creamy pistachio filling and light whipped topping. Easy to make and crowd-pleasing, it’s perfect for any occasion where you want a sweet, nutty treat.

Watergate Cake
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Total Time: 3 hours
- Yield: 12 servings
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Gluten Free
Description
Watergate Cake is a classic, moist yellow cake layered with a creamy pistachio filling, topped with fluffy whipped cream and chopped nuts. This nostalgic dessert blends sweet and nutty flavors with light, airy texture—perfect for potlucks, holidays, and family gatherings.
Ingredients
-
Yellow cake mix (plus ingredients required by the mix)
-
Instant pistachio pudding mix
-
Milk
-
Cream cheese (softened)
-
Butter (softened)
-
Powdered sugar
-
Whipped topping (e.g., Cool Whip)
-
Chopped pecans or walnuts
- Vanilla extract
Instructions
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Bake cake: Prepare and bake the yellow cake according to package instructions. Allow to cool completely.
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Make pistachio filling: Whisk instant pistachio pudding mix with milk until thickened.
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Prepare cream cheese frosting: Beat cream cheese, butter, powdered sugar, and vanilla extract until smooth and fluffy.
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Combine filling and frosting: Fold whipped topping and pistachio pudding into the cream cheese mixture until well combined.
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Assemble cake: Spread pistachio filling evenly between cake layers and over the top.
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Garnish: Sprinkle chopped nuts on top.
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Chill: Refrigerate the cake for at least 2 hours before serving for best texture and flavor.
Notes
Use homemade yellow or white cake for a scratch version.Omit nuts or substitute with seeds for nut-free option.Add crushed pineapple or mandarin oranges to filling for a fruity twist.Almond extract can boost the nutty flavor in the filling.Use gluten-free cake mix to make it gluten-free.