Key Lime Pie Icebox Cups
Buttery graham crumbs with tangy key lime cream, whipped topping, and fresh lime zest in individual glasses.
Key Lime Pie Icebox Cups layer buttery graham crumbs with tangy key lime cream, whipped topping, and fresh lime zest in individual glasses. The full chilling time is part of the method, allowing the layers or filling to hold cleanly.
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Ingredients
For the Graham Layers
- 1 1/2 cups graham cracker crumbs
- 4 tablespoons unsalted butter, melted
- 2 tablespoons granulated sugar
- Pinch of fine salt
For the Key Lime Cream
- 8 ounces cream cheese, softened
- 1 can (14 ounces) sweetened condensed milk
- 1/2 cup fresh key lime or regular lime juice
- 1 tablespoon finely grated lime zest
- 1 teaspoon vanilla extract
- 1 cup cold heavy cream
For Garnish
- 1 cup lightly sweetened whipped cream
- Lime slices or wedges
- Additional lime zest
Substitutions
- Use lemon juice and zest for lemon icebox cups while keeping the same proportions.
- Replace graham crackers with digestive biscuits, vanilla wafers, or gluten-free graham-style cookies.
- Use a thick dairy-free cream cheese and coconut whipping cream; chilling time may need to be longer.
Instructions
Step 1: Prepare the crumbs
Stir graham crumbs, melted butter, sugar, and salt until evenly moistened. Reserve a few tablespoons for garnish.

Step 2: Make the lime base
Beat the softened cream cheese until smooth. Gradually add condensed milk, lime juice, zest, and vanilla, scraping the bowl until the mixture is glossy and lump-free.
Step 3: Lighten the filling
Whip the heavy cream to medium-stiff peaks, then fold it into the lime mixture in three additions.

Step 4: Layer the cups
Spoon a crumb layer into six small glasses, add key lime cream, then repeat once more. Smooth the final cream layer.

Step 5: Chill until set
Cover and refrigerate for at least 3 hours so the filling firms and the crumb layers soften slightly without becoming soggy.
Step 6: Finish and serve
Pipe or spoon whipped cream on top. Add reserved crumbs, lime slices, and fresh zest just before serving.

How to Store Leftovers
- Cover the cups individually and refrigerate them for up to 3 days.
- Keep the whipped garnish and lime slices separate when preparing more than one day ahead.
- Do not leave dairy dessert cups at room temperature longer than 2 hours.
Serving Leftovers
- Do not reheat. Serve chilled or allow the cups to stand for 5 minutes for a softer texture.
- If frozen, thaw overnight in the refrigerator rather than at room temperature.
- Return unfinished cups to refrigeration promptly.
Serving Ideas
- Fresh berries
- Iced tea
- Coffee
- A light summer dinner menu
Common Mistakes to Avoid
- Using cold cream cheese and leaving lumps in the filling.
- Adding whipped cream before the lime base is smooth.
- Overpacking the crumbs so the spoon cannot pass through the layers.
- Skipping the chill and serving a loose filling.
Nutrition Information
| Nutrient | Per Serving |
|---|---|
| Calories | 390 |
| Protein | 6g |
| Carbohydrates | 46g |
| Fat | 22g |
| Sugar | 34g |
Nutrition is an estimate and can vary with brands, portion size, ripeness, and substitutions.
Frequently Asked Questions
How do I know when Key Lime Pie Icebox Cups are ready?
The key lime cream should hold a soft peak on the spoon and stay in separate layers. The crumbs should be tender but still retain a slight sandy texture.
Can Key Lime Pie Icebox Cups be frozen?
Freeze covered cups for up to 1 month without lime slices. Thaw overnight in the refrigerator; the texture may be slightly firmer.
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