No-Bake Key Lime Pie Cups

No-Bake Key Lime Pie Cups are the kind of easy summer dessert that makes everyone think you spent hours in the kitchen — when really, you didn’t even turn on the oven. We’re talking tangy key lime filling, a buttery graham cracker crust, and a cloud of whipped cream, all tucked into adorable individual servings.

Hey there, I’m Claire Whitmore — a pastry whisperer in Asheville, NC, where butter totally counts as self-care. These key lime dessert cups combine cream cheese, sweetened condensed milk, fresh lime juice, and zest into a silky, no-fuss filling that sets beautifully in the fridge. They’re gluten-adaptable, make-ahead friendly, and genuinely crowd-pleasing.

I first whipped these up for a backyard dinner party where I had exactly zero desire to bake anything. My friend took one bite and immediately asked for the recipe before she’d even finished her cup. That’s how I knew these were keepers.

Little Snapshot: What This Recipe Delivers

These No-Bake Key Lime Pie Cups are creamy, tangy individual desserts made with cream cheese, sweetened condensed milk, fresh lime juice, and a graham cracker crust — no oven required. They come together in about 15 minutes of active prep, chill for 3–4 hours, and serve 6 people beautifully. The result is a refreshing, restaurant-worthy key lime dessert that’s as easy as it is impressive.

Nutritional Peek

Here’s a general breakdown per serving of these key lime dessert cups (based on the full recipe with optional whipped cream topping).

Nutrient	Amount Per Serving
Calories	~420 kcal
Protein	~8g
Carbohydrates	~42g
Fat	~26g
Fiber	~0.5g
Sugar	~34g

Nutritional values are estimates and may vary based on specific brands and portion sizes used.

Ingredients for No-Bake Key Lime Pie Cups

These easy summer dessert cups use simple, fridge-staple ingredients that do all the heavy lifting together. For the crust, you’ll need graham crackers — the full-size ones blitz into the most perfect buttery crumbs.

For the filling, room-temperature cream cheese is non-negotiable; it blends smoother than you’d believe. The condensed milk, lime juice, and lime zest round everything out into that signature sweet-tart key lime flavor.

Amount	Ingredient
15 full-size	Graham crackers (yes, the full sheets — don’t skimp here)
16 oz	Cream cheese, room temperature (the block kind, not spreadable)
14 oz	Sweetened condensed milk
1 tsp	Lime zest, plus more for topping if you like
1/3 cup	Lime juice (fresh is best — your taste buds will know the difference)
1/8 tsp	Salt
2/3 cup	Heavy cream (optional, for whipped topping)
2 tsp	Granulated sugar (optional, for sweetening the whipped cream)

Tools You’ll Actually Use

• Food processor (for the graham cracker crumbs and the filling)
• 6 ramekins or small dessert cups
• Measuring cups and spoons
• Stand mixer or hand mixer (for the optional whipped cream)
• Mixing bowl
• Spatula or spoon for filling the cups

Step-by-Step Instructions for No-Bake Key Lime Pie Cups

Let’s get into it — these individual key lime dessert cups are almost embarrassingly easy to pull together.

Step 1: Make the Graham Cracker Crumbs. Add the 15 full-size graham crackers to your food processor and pulse until you have fine, even crumbs — think sandy beach vibes. Remove the crumbs and set aside in a bowl. You should have about 2 cups of crumbs.

Step 2: Blend the Cream Cheese Base. Add the 16 oz of room-temperature cream cheese and the 14 oz of sweetened condensed milk to the (now empty) food processor. Puree until completely smooth and fluffy, scraping down the sides as needed. This step is where the magic starts — it should look thick and creamy with no lumps at all.

Step 3: Add the Lime Flavor. Add the 1 tsp of lime zest, 1/3 cup of lime juice, and 1/8 tsp of salt to the cream cheese mixture in the food processor. Puree for about 30 seconds until everything is fully combined and fragrant. It’ll smell like summer in a bowl.

Step 4: Build the Crust in Each Cup. Measure 1/8 cup (2 tablespoons) of graham cracker crumbs into each of your 6 ramekins or dessert cups. Use the flat bottom of a measuring cup to firmly press the crumbs down into an even, compact layer. Don’t skip the pressing — it keeps the crust from crumbling when you dig in.

Step 5: Fill and Refrigerate. Pour the cream cheese–lime filling over each graham cracker crust, dividing it evenly until each cup is filled to the rim. Sprinkle a small pinch of the remaining graham cracker crumbs over the top of each. Place all the filled cups in the refrigerator for at least 3–4 hours, or overnight for the best results.

Step 6: Top and Serve. When ready to serve, pour the 2/3 cup of heavy cream into a chilled mixing bowl and add the 2 tsp of granulated sugar. Whip with a hand mixer or stand mixer until soft peaks form — don’t over-whip or it’ll go grainy. Dollop generously on top of each chilled cup and finish with a little extra lime zest. Serve immediately and enjoy every last bite.

Claire’s Pro Tips for Perfect Key Lime Dessert Cups

Working with cream cheese-based fillings is one of my favorite things to do, but there are a few lessons I’ve learned the hard way so you don’t have to.

Room-temperature cream cheese is non-negotiable. Cold cream cheese will leave lumps in your filling no matter how long you blend it. Pull it out of the fridge at least an hour before you start, or unwrap it and microwave it for 15–20 seconds to soften. A smooth filling is a happy filling.

Fresh lime juice beats bottled every time. I know bottled is convenient, but fresh lime juice has a brightness and complexity that bottled just can’t match. Roll the limes on the counter before cutting them — it helps release more juice and you’ll get every last drop.

Press the crust firmly. This is the step most people rush through, and then they wonder why their crust falls apart. Use the flat bottom of a small measuring cup or even a shot glass to really press those crumbs down with intention. A compact crust holds together beautifully when you scoop your spoon in.

Chill overnight if you can. Three to four hours works, but honestly? Overnight is where these key lime dessert cups really shine. The filling firms up more completely, the flavors meld together, and the whole thing just tastes more pulled-together.

Quick Fixes for No-Bake Key Lime Pie Cups

My filling isn’t setting up firm enough. This almost always comes down to chill time. Give the cups a full 4 hours minimum, and ideally overnight. If your kitchen runs warm, the fridge might need a little extra time to work its magic.

The filling tastes too tangy or too sweet. Lime juice strength varies by fruit, so taste the filling before you pour it into the cups. If it’s too sharp, add a tiny drizzle more condensed milk and blend again. If it’s too sweet, add a little extra lime juice — a teaspoon at a time.

My graham cracker crust is crumbling. The crumbs need to be pressed very firmly into the bottom of the ramekin. If yours still crumble, try adding a teaspoon of melted butter to the crumbs before pressing — it binds everything together nicely.

The whipped cream is going runny too fast. Make sure your bowl and beaters are cold before whipping — pop them in the freezer for 10 minutes first. Cold equipment makes a huge difference in how quickly and stably heavy cream whips up.

Variations and Fun Twists

These individual desserts are super flexible, and this is where things get fun.

Swap the crust. Try gingersnap cookies instead of graham crackers for a spicier, more complex base that pairs beautifully with the citrus filling. Crushed vanilla wafers are another dreamy option for a softer, more delicate crumb.

Make it coconut-lime. Stir 2 tablespoons of toasted coconut flakes into the filling before pouring, and sprinkle more on top with the lime zest. It gives the whole thing a tropical feel that’s absolutely irresistible.

Make it dairy-free. Swap the cream cheese for a good-quality vegan cream cheese, use coconut condensed milk in place of regular, and whip coconut cream for the topping. The flavor is slightly different but honestly still delicious.

Go frozen. Pour the filling over the crusts and freeze instead of refrigerating. You’ll get a key lime ice cream cup situation that’s perfect for the hottest days of summer.

If you love make-ahead individual desserts like this, you’ll also want to check out these Strawberry Pretzel Salad Bars — same easy energy, totally different flavor profile.

Serving, Storage and Reheating

Serve these key lime dessert cups straight from the fridge with a generous dollop of fresh whipped cream and a little sprinkle of extra lime zest. They’re lovely on their own, but they also pair beautifully alongside fresh berries or a light fruit salad for a summery spread.

Store any assembled cups (without whipped cream) covered tightly with plastic wrap or a lid in the fridge for up to 4 days. The filling stays creamy and the crust stays crisp enough — they actually get better as the days go on. Add the whipped cream right before serving for the freshest presentation.

These cups are best served cold and don’t need any reheating — ever. If you’ve gone the frozen route for a variation, just let them sit on the counter for 5 minutes before serving so they’re scoopable and not rock solid.

No-Waste Kitchen Magic

Don’t toss leftover graham cracker crumbs — store them in an airtight container in the pantry for up to two weeks. They’re amazing sprinkled over yogurt, ice cream, or even a warm bowl of oatmeal for a little crunch.

If you have extra lime filling (lucky you), spoon it into small silicone molds and freeze them into key lime fat bombs or frozen bites. They’re a fun, two-ingredient treat that requires zero effort.

Leftover whipped cream? Dollop it into an ice cube tray, freeze until solid, and store in a bag. Pop a frozen cream cube into hot cocoa or coffee whenever the mood strikes — it melts into the most dreamy little cloud.

FAQs About No-Bake Key Lime Pie Cups

Cozy Closing

There’s something so satisfying about setting these little No-Bake Key Lime Pie Cups in the fridge the night before a gathering and just knowing dessert is completely handled. No stress, no last-minute scrambling — just pure, creamy, tangy citrus goodness waiting for you.

If you loved this recipe, you might also enjoy our High-Protein Marry Me Chicken Pasta for a hearty dinner to serve before these dreamy cups make their grand entrance.

I’d love to see your spin on these No-Bake Key Lime Pie Cups! Drop a comment below with your photos — did you try a different crust? Add coconut? Go full frozen? I genuinely want to know. These No-Bake Key Lime Pie Cups are so versatile, and I bet you’ve already got some brilliant ideas brewing.