Key Lime Pie Parfait Cups

Treat yourself to these easy no-bake Key lime pie parfait cups. Layered with velvety lime cheesecake mousse, buttery graham cracker crunch, and fresh zest!

The Sunshine-in-a-Cup Dessert I Can’t Stop Making

Honestly, whenever the weather gets warm or I just need a bright, refreshing sweet treat without turning on the oven, this is the first recipe I reach for. Traditional Key lime pie is incredible, but on hot afternoons or busy weekends, rolling out crusts and waiting for things to bake and cool takes more patience than I have.

The first time I layered this tangy, silky lime mousse into tall cups with buttery crushed graham crackers, it was an instant hit. You get all the classic tartness, sweetness, and velvety texture of a bakery-style pie in portable, single-serve layers. I usually make a batch ahead of time for summer barbecues or cozy movie nights, and there is never a single spoonful left over.

Ingredients You’ll Need

• The Lime Cream Filling:

  • 8 oz (225g) cream cheese, softened to room temperature

  • 1 can (14 oz / 395g) sweetened condensed milk

  • 1/2 cup fresh Key lime juice (or regular fresh lime juice)

  • 1 tbsp fresh lime zest (finely grated)

  • 1 cup heavy whipping cream (chilled)

  • 1–2 drops green gel food coloring (optional, for that pastel lime hue)

• The Graham Cracker Crust Layers:

  • 1.5 cups graham cracker crumbs (or crushed digestive biscuits)

  • 3 tbsp unsalted butter, melted

  • 1 tbsp granulated sugar

• Garnish:

  • Fresh Key lime wheels or half-slices

  • Extra finely grated lime zest

  • A sprinkle of crushed graham crackers or waffle cone bits

Step-by-Step Method

1. Prepare the Crust Crumb: In a medium bowl, stir together the crushed graham cracker crumbs, melted butter, and granulated sugar until it resembles coarse, wet sand. Set aside.

2. Whip the Cream: In a chilled bowl, beat the cold heavy whipping cream with a hand mixer until stiff peaks form. Set in the fridge while preparing the base.

3. Make the Lime Cheesecake Base: In another large bowl, beat the softened cream cheese until smooth and lump-free (about 2 minutes). Pour in the sweetened condensed milk, fresh lime juice, lime zest, and optional drop of green food coloring. Beat on medium speed until smooth, thick, and well blended.

4. Fold Together: Gently fold the whipped cream into the lime cream cheese mixture using a spatula until fully combined and fluffy. Transfer the mousse into a piping bag (or a large zip-top bag with the corner snipped off) for neat layering.

5. Assemble the Parfaits:

   • Spoon 2 tablespoons of the graham cracker mixture into the bottom of clear dessert cups or tall plastic glasses.

   • Pipe a generous layer of the fluffy lime cream over the crumbs.

   • Repeat the layers: add another layer of buttery crumbs, followed by more lime cream, continuing until you reach the top of the cup.

6. Chill & Set: Place the assembled cups in the refrigerator for at least 1 to 2 hours to allow the mousse to firm up and the flavors to meld.

7. Garnish & Serve: Right before serving, top with an extra pinch of crunchy graham cracker crumbs, fresh lime zest, and a fresh lime slice. Grab a spoon or a straw and dive in!

My Best Cooking Tips

• Fresh lime juice matters: Bottled lime juice can taste flat and overly metallic. Squeezing fresh Key limes (or standard Persian limes) gives you that vibrant, punchy citrus kick.

• Room-temp cream cheese is essential: Make sure your cream cheese is completely soft before beating to avoid tiny white lumps in your silky mousse.

• Use a piping bag: Spooning the mousse into tall cups can smudge the sides. A piping bag makes clean, beautiful, defined layers effortless.

Serving Suggestions

• Party Dessert Table: Serve them in mini shot glasses or dessert cups with mini wooden spoons for parties and potlucks.

• Tropical Twist: Add a spoonful of sweet mango puree or passion fruit curd between the lime layers for an exotic flavor combo.

• Extra Whipped Cream: Top each cup with a fluffy swirl of vanilla whipped cream and a toasted coconut flake garnish.

Approximate Nutrition (Per Serving)

• Servings: 6

• Calories: 390 kcal

• Protein: 6g

• Carbohydrates: 42g

• Fat: 22g

• Fiber: 1g

• Sodium: 240mg

Frequently Asked Questions

Can I use regular limes instead of Key limes?

Yes! Key limes are slightly more aromatic and acidic, but regular grocery store Persian limes work wonderfully and still deliver an incredible flavor.

How long do these parfait cups last in the fridge?

They keep well in the refrigerator for up to 3 days. Cover the tops loosely with plastic wrap so the cream doesn’t absorb fridge odors.

Can I make this dessert lighter?

You can use light cream cheese (Neufchâtel) and replace half of the heavy cream with whipped coconut cream or low-fat Greek yogurt for a lighter texture.

Can I freeze Key lime parfaits?

Yes! Freezing them turns the mousse into a soft, semi-frozen Key lime ice cream treat. Freeze for up to 1 month and let them sit on the counter for 10 minutes before enjoying.

Can I substitute the graham crackers?

Golden Oreos, vanilla wafers, shortbread cookies, or gingersnaps all make fantastic, crunchy crust alternatives.

These No-Bake Key Lime Pie Parfait Cups deliver that ultimate balance of sweet, tart, and creamy with zero oven hassle. Whip up a batch for your next gathering or keep a few chilling in the fridge for a quick citrus pick-me-up!