Sweet Fluffy Green Treat

Featured in Let's Bake Something Wonderful.

This nostalgic dessert brings together pistachio pudding, marshmallows, and pineapple for a creamy and fruity delight. Easy to prep, it's a go-to for gatherings.

Hannah Author
Updated on Thu, 10 Apr 2025 12:33:14 GMT
A bowl of fluffy green dessert sprinkled with pistachios and almonds. Pin it
A bowl of fluffy green dessert sprinkled with pistachios and almonds. | recipesbyhannah.com

This Pistachio Salad showed up at all our family get-togethers when I was young. The sweet, creamy dessert with its distinctive green shade always takes me back to those big family dinners and potluck events. You might know it as Watergate Salad or Green Fluff, but in my family, it was just that incredible pistachio treat that was gone within minutes of hitting the table.

A No-Fuss Treat Anyone Can Whip Up

What makes this recipe so great is how simple it is. Toss a handful of ingredients together and you've created something really tasty. When you mix the light, airy whipped topping with the zingy pineapple chunks and soft little marshmallows, you get an awesome blend of different textures. Plus, the natural pistachio green color makes folks think you spent way more time in the kitchen than you actually did.

Your Shopping List

  • Pudding mix: Grab instant pistachio pudding for that nice green tint and nutty taste.
  • Whipped topping: This adds the cloud-like softness but remember to let it soften first.
  • Canned pineapple: Keep the juice in your mix for extra flavor punch.
  • Nuts: Pistachios are my go-to but you can't go wrong with walnuts or pecans.
  • Mini marshmallows: These tiny sweet bites give a wonderful surprise texture.
  • Optional food coloring: Just a tiny bit can make the green more vibrant for special occasions.

Quick Assembly Steps

Mix Your Foundation:
Stir together the whipped topping and pudding mix until it's all smooth maybe add a drop of food coloring for brighter green.
Toss In Extras:
Carefully stir in your marshmallows and pineapple with all its juice until everything looks mixed well.
Chill It Down:
Wrap your bowl with some cover and stick it in the fridge for about two hours then sprinkle nuts on top before you serve.

Helpful Tricks

  • Dress It Up: Add some bright maraschino cherries or a handful of extra nuts on the surface.
  • Thicken The Mix: If it seems runny just add more whipped topping and stir gently.
  • Try New Flavors: Mix up your nut choices or toss in some diced cherries for something different.
A bowl of creamy yogurt topped with assorted nuts, including pistachios and almonds. Pin it
A bowl of creamy yogurt topped with assorted nuts, including pistachios and almonds. | recipesbyhannah.com

Storage Smarts

  • Short Term: It'll stay good in your fridge for a couple days if you wrap it well.
  • Long Haul: You can pop it in the freezer for up to 3 months but don't forget to thaw it completely first.
  • Great Pairings: Serve alongside Easter dinner, spring meals, or just because you're craving something sweet.
  • Timing Tip: Make it a day early for your party the flavors get even better overnight.

Frequently Asked Questions

→ Why isn’t my pistachio dessert firm enough?

Don’t drain the pineapple—the juice helps thicken the pudding. Too much liquid or not chilling it long enough could also make it watery.

→ Can I prep this in advance?

Absolutely! Prepare it the day before and pop it in the fridge. Hold off adding the nuts until serving so they stay crisp.

→ Is green food coloring necessary?

The green tint comes naturally from the pudding mix. Adding food coloring is totally optional—just for appearance.

→ Can fresh pineapple be used?

Stick to canned pineapple. Fresh has enzymes that stop the pudding from firming up.

→ How long will it stay fresh?

Keep it in the fridge for up to 3 days. Just know the marshmallows will soften over time.

Sweet Green Treat

A creamy, light green dessert blending pistachio pudding, marshmallows, and pineapple in a simple whipped topping. A timeless crowd-pleaser.

Prep Time
10 Minutes
Cook Time
~
Total Time
10 Minutes

Category: Sweet Kitchen

Difficulty: Easy

Cuisine: American

Yield: 12 Servings (9 cups)

Dietary: Vegetarian

Ingredients

01 1/2 cup crushed walnuts or pistachios.
02 1 container (16 ounces) of whipped topping.
03 3 cups tiny marshmallows.
04 1 package (3.4 ounces) pistachio instant pudding mix.
05 Optional: A few drops (6 to 7) of green food dye.
06 1 can (20 ounces) pineapple chunks with juice.
07 Extra whipped topping for garnish, if you like.

Instructions

Step 01

Stir the pudding mix into the whipped topping in a large mixing bowl.

Step 02

Mix in the green food color drops, if you're using them.

Step 03

Add in the marshmallows gently so they don't crush.

Step 04

Pour in the pineapple (including the juice) and give it a good stir to mix.

Step 05

Cover the bowl tightly with plastic wrap.

Step 06

Let it sit in the fridge for at least 2 hours.

Step 07

Top with extra whipped topping and a sprinkle of nuts if you'd like before serving.

Notes

  1. This treat is a nostalgic favorite for gatherings and celebrations. Keep it cold until you're ready to dig in.

Tools You'll Need

  • A big mixing bowl.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy (whipped topping, pudding mix).
  • May include tree nuts (walnuts, pistachios).

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 236
  • Total Fat: 9 g
  • Total Carbohydrate: 35 g
  • Protein: 2 g