Green Key Lime Pie

A slice of vibrant green key lime pie with a whipped cream topping and lime zest garnish on a plate. Save to Pinterest
A slice of vibrant green key lime pie with a whipped cream topping and lime zest garnish on a plate. | recipesbymarina.com

This vibrant green lime pie features a tangy-sweet, creamy filling blended with fresh key lime juice and zest, nestled in a crisp graham cracker crust. The pie is baked briefly, cooled, then chilled to set perfectly. A light whipped cream topping and lime garnishes add a luscious, fresh finish. Optional natural coloring enhances the eye-catching appeal. Ideal for easy preparation and pleasing guests with a fresh citrus dessert that balances tartness and sweetness.

The electric green color of this pie always makes people do a double take at potlucks. I first made it for a summer barbecue where my cousin swore it was radioactive until she took that first skeptical bite and demanded the recipe five minutes later.

My grandmother kept key lime trees in her Florida backyard and nothing tasted quite like those tiny burst of sunshine picked fresh. This recipe reminds me of those humid afternoons spent zesting limes on her porch while she taught me patience is the secret to perfect pies.

Ingredients

  • Graham cracker crumbs: Process fresh crackers instead of buying premade crumbs for better texture and flavor control
  • Sweetened condensed milk: This creates that impossibly creamy custard like consistency without any fuss
  • Egg yolks: Room temperature yolks incorporate more smoothly into the filling
  • Key lime juice: Fresh squeezed gives brighter flavor but bottled works perfectly in a pinch
  • Green food coloring: Start with two drops and add more until you reach your desired vibrancy
  • Heavy whipping cream: Cold cream whips faster and holds its shape longer for topping

Instructions

Press the perfect crust:
Mix the graham cracker crumbs sugar and melted butter until it feels like wet sand then press firmly into your pie dish using the bottom of a measuring cup for even thickness.
Set the crust:
Bake at 350°F for 8 minutes until fragrant and golden letting it cool slightly while you make the filling.
Whisk the filling:
Combine sweetened condensed milk egg yolks key lime juice zest salt and food coloring until completely smooth and evenly colored.
Fill and bake:
Pour the vibrant mixture into your cooled crust and bake for just 7 minutes until the center is set but still slightly jiggly.
Chill completely:
Cool at room temperature for 30 minutes then refrigerate for at least 4 hours until fully set and chilled through.
Add the clouds:
Whip cold heavy cream with powdered sugar and vanilla to soft peaks then spread generously over the chilled pie.
A creamy, tangy-sweet green key lime pie filling in a graham cracker crust, ready to be served. Save to Pinterest
A creamy, tangy-sweet green key lime pie filling in a graham cracker crust, ready to be served. | recipesbymarina.com

This became my daughters most requested birthday treat after I surprised her with it one summer. Now every June means green key lime pie on the menu no matter what other cake options get discussed.

Making It Ahead

The pie actually improves after a day in the fridge as flavors meld and the texture becomes more stable. I often make it the evening before serving then add the whipped cream just before presentation.

Natural Color Options

If you prefer avoiding food coloring try blending a handful of fresh spinach with the lime juice then straining it through a fine mesh sieve. The result is a beautiful natural green that no one can detect.

Serving Suggestions

Slice with a sharp knife dipped in hot water for clean edges. Serve chilled alongside a glass of moscato or sparkling water with a lime wedge.

  • Use a pie server that has been warmed under hot water for perfect slices
  • Store leftovers covered in the refrigerator for up to three days
  • The crust stays crispiest when refrigerated uncovered for the first hour
Whole green key lime pie with a golden-brown graham cracker crust and swirls of whipped cream. Save to Pinterest
Whole green key lime pie with a golden-brown graham cracker crust and swirls of whipped cream. | recipesbymarina.com

Nothing beats that first taste of cool tangy sweet creaminess on a hot day. This pie has become my go to for bringing sunshine to any table regardless of the season.

Recipe Questions & Answers

Incorporate a few drops of green food coloring or blend fresh spinach with lime juice before mixing to get a vibrant green hue.

Mix graham cracker crumbs with sugar and melted butter, press firmly into a pie dish, and bake briefly for a crisp texture.

Yes, bottled key lime juice works well and provides consistent tanginess without compromising flavor.

Chill for at least 4 hours to allow the filling to set properly and develop the right texture.

Whipped cream lightly sweetened with powdered sugar and vanilla, garnished with extra lime zest or thin lime slices, enhances the fresh flavors.

Baking the crust for an additional 2 to 3 minutes after initial baking results in a firmer, crispier base.

Green Key Lime Pie

Tangy lime filling with creamy texture and crisp graham crust, naturally green and visually striking.

Prep 20m
Cook 15m
Total 35m
Servings 8
Difficulty Easy

Ingredients

Crust

  • 1 1/2 cups graham cracker crumbs
  • 1/3 cup granulated sugar
  • 6 tbsp unsalted butter, melted

Filling

  • 1 can (14 oz) sweetened condensed milk
  • 4 large egg yolks
  • 1/2 cup key lime juice
  • 2 tsp key lime zest
  • 1/4 tsp salt
  • Green food coloring (optional)

Topping

  • 1 cup heavy whipping cream
  • 2 tbsp powdered sugar
  • 1/2 tsp vanilla extract
  • Extra lime zest or thin lime slices for garnish

Instructions

1
Prepare the Oven: Preheat oven to 350°F.
2
Make the Crust: In a medium bowl, combine graham cracker crumbs, sugar, and melted butter. Mix until evenly moistened.
3
Press Crust into Pie Dish: Press mixture firmly into the bottom and up the sides of a 9-inch pie dish.
4
Bake the Crust: Bake crust for 8 minutes. Remove and let cool slightly.
5
Prepare the Filling: In a large bowl, whisk together sweetened condensed milk, egg yolks, key lime juice, lime zest, salt, and a few drops of green food coloring until smooth and evenly colored.
6
Add Filling to Crust: Pour filling into the cooled crust and smooth the top.
7
Bake the Pie: Bake for 7 minutes, until the center is just set but still slightly jiggly.
8
Cool and Chill: Cool at room temperature for 30 minutes, then refrigerate for at least 4 hours, or until fully chilled and set.
9
Prepare Whipped Cream: Before serving, whip the cream with powdered sugar and vanilla extract to soft peaks.
10
Finish and Garnish: Spread or pipe whipped cream over the pie, then garnish with lime zest or slices.
Additional Information

Equipment Needed

  • 9-inch pie dish
  • Mixing bowls
  • Whisk
  • Electric mixer
  • Measuring cups and spoons
  • Zester or microplane

Nutrition (Per Serving)

Calories 385
Protein 6g
Carbs 46g
Fat 20g

Allergy Information

  • Contains: Eggs, Dairy, Wheat (gluten)
  • Check graham cracker labels for possible nut or soy allergens
Marina Costa

Passionate home cook sharing simple, flavorful recipes and helpful cooking tips for everyday food lovers.