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Close up view of a Key Lime Pie Trifle showing coarse golden-brown crumbs and thick lime custard layers.

Key Lime Pie Trifle: The Ultimate Layered Summer Dessert Guide

This Key Lime Pie Trifle features distinct layers of toasted graham cracker crumbs, thick opaque lime custard, and snowy whipped cream. A refreshing, no-bake citrus centerpiece perfect for summer gatherings and visual storytelling.
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Prep Time 20 minutes
Cook Time 15 minutes
Total Time 35 minutes
Servings: 10 cups
Course: Dessert
Cuisine: American
Calories: 412
Ingredients Equipment Method Notes

Ingredients
  

Graham Cracker Base
  • 2 cups (200g) Graham cracker crumbs Coarsely crushed
  • 6 tbsp (85g) Unsalted butter Melted
  • 2 tbsp (25g) Granulated sugar
Lime Custard Filling
  • 1.5 cups (360ml) Whole milk
  • 0.5 cup (120ml) Heavy cream
  • 0.5 cup (120ml) Key lime juice Fresh preferred
  • 4 large Egg yolks
  • 3 tbsp (24g) Cornstarch For thickening
Topping & Garnish
  • 2 cups (480ml) Heavy whipping cream Very cold
  • 0.5 cup (60g) Powdered sugar
  • 3 thin Lime slices Half-moon shapes for garnish

Equipment

  • 1 Clear glass trifle bowl Large capacity to showcase layers.
  • 1 Microplane Zester For fine lime zest garnish.
  • 1 Heavy-bottomed saucepan For cooking the custard evenly.
  • 1 Piping bag and tips To create professional whipped cream dollops.

Instructions
 

Prepare the Toasted Base
  1. Combine coarse graham cracker crumbs, melted butter, and sugar. Bake at 350°F (175°C) for 8-10 minutes until golden-brown and fragrant.
Cook the Custard
  1. Whisk sugar, cornstarch, milk, and cream in a pan. Temper in egg yolks and cook over medium heat until thick and opaque. Stir in lime juice and zest, then chill until set.
Whip and Assemble
  1. Whip heavy cream and powdered sugar to stiff peaks. Layer crumbs, custard, and cream in a clear glass bowl, repeating until full. Garnish with lime slices and zest.

Notes

Always chill the trifle for at least 4 hours before serving to let layers set.
Use a microplane for the zest to ensure a bright green, delicate finish.
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