Delicious Key Lime Cheesecake Recipe

Key Lime Cheesecake brings together the bold tang of key limes and the silky richness of classic cheesecake, layered on a crisp graham cracker crust.

The result is a refreshing dessert with a creamy center and bright citrus notes, perfect for summer occasions or as a showstopping finale to any meal.

This recipe goes beyond the basics with practical tips, expert troubleshooting, and suggestions for substitutions and dietary adaptations, ensuring reliable results even for beginner bakers.

Follow each step to achieve a smooth, crack-free cheesecake with real key lime flavor—no artificial colors or shortcuts needed.

Ingredients Checklist

Having all your ingredients and equipment ready ensures a smooth, enjoyable baking process and helps you avoid missed steps or substitutions.

For the Graham Cracker Crust:

• • 1 ½ cups (180g) graham cracker crumbs (see tips for gluten-free option)

  • 6 tablespoons (85g) unsalted butter, melted

  • ¼ cup (50g) granulated sugar

  • Pinch of fine sea salt (enhances crust flavor)

For the Cheesecake Filling:

• • 24 oz (680g) full-fat cream cheese, room temperature (block style, not whipped)

  • 1 cup (200g) granulated sugar

  • 3 large eggs, room temperature

  • 1 teaspoon vanilla extract

  • 1 tablespoon key lime zest (fresh is best)

  • ½ cup (120ml) key lime juice (fresh or bottled)

  • 1 cup (230g) sour cream, room temperature (adds smoothness and tang)

  • 2 tablespoons granulated sugar (for sweetening sour cream layer)

  • 1 teaspoon vanilla extract (for sour cream layer)

  • 1 tablespoon key lime zest (for sour cream layer or garnish)

Optional Toppings:

• • Fresh whipped cream

  • Additional key lime zest or thin lime slices

  • Fresh berries for color contrast

• Essential Equipment:

  • 9-inch (23cm) springform pan

  • Heavy-duty aluminum foil (for leak-proofing pan)

  • Roasting pan for water bath

  • Electric hand mixer or stand mixer

  • Fine mesh zester

  • Mixing bowls

  • Rubber spatula

  • Wire rack

Step-by-Step Instructions

Each step is designed to maximize flavor, texture, and ease for a professional-quality Key Lime Cheesecake.

• Prepare the Pan and Oven:

  • Preheat the oven to 350°F (177°C). Wrap the outside of the springform pan with two layers of heavy-duty foil to prevent leaks. Line the bottom with parchment for easy removal.

• Make the Graham Cracker Crust:

  • Combine graham cracker crumbs, sugar, salt, and melted butter in a bowl until evenly mixed. Press the mixture firmly into the bottom (and slightly up the sides) of the pan using a flat-bottomed glass or measuring cup for compactness and stability.

  • Bake the crust for 10 minutes, then set aside to cool slightly while you prepare the filling.

• Mix the Cheesecake Batter:

  • Using a stand or hand mixer, beat the cream cheese on medium speed until completely smooth and creamy, scraping the bowl often to prevent lumps. Add sugar and beat until well incorporated.

  • Add eggs one at a time, beating on low and scraping the bowl after each. Avoid overmixing, which can introduce excess air and lead to cracking.

  • Blend in vanilla extract, key lime zest, and key lime juice just until combined. Gently fold in the sour cream for a silky texture.

• Assemble and Bake with a Water Bath:

  • Pour the batter over the pre-baked crust and smooth the top. Place the springform pan inside a large roasting pan. Pour very hot water into the roasting pan to reach halfway up the sides of the springform pan.

  • Bake at 325°F (163°C) for about 60–70 minutes, or until edges are set and the center is just slightly jiggly. Avoid opening the oven door frequently.

• Chill and Set:

  • Remove the cheesecake from the water bath and let it cool in the pan on a wire rack for 1 hour. Then run a thin knife around the edge to prevent sticking. Cool completely, then cover and refrigerate for at least 6 hours or preferably overnight for best flavor and texture.

• Add Sour Cream Topping (Optional but Recommended):

  • Mix sour cream, sugar, vanilla, and key lime zest in a bowl until smooth. Spread evenly over the chilled cheesecake. Refrigerate an additional hour to set the topping.

• Serve and Garnish:

  • Carefully remove the springform ring. Transfer cheesecake to a serving platter. Garnish with piped whipped cream, fresh zest, or lime slices just before serving for added flavor and appeal.

Tips for Perfect Results

Achieving bakery-quality cheesecake at home is possible with attention to these helpful techniques and solutions.

• Room Temperature Ingredients: Always use room temperature cream cheese, eggs, and sour cream for the smoothest, lump-free batter.

• Avoid Overmixing: Mix only until each ingredient is incorporated. Too much air leads to cracks or a soufflé-like texture.

• Crack Prevention: The water bath creates gentle, moist heat for even baking. Don’t skip it, and don’t open the oven door until nearly done.

• Smooth Slices: Warm a sharp knife under hot water, wipe between cuts, and slice cleanly for professional-looking servings.

• No Key Limes? Persian limes work, or use bottled key lime juice for convenience. Fresh zest is key for flavor depth.

• Gluten-Free Adaptation: Substitute gluten-free graham crackers for the crust if needed.

• Make-Ahead: This cheesecake is best made the day before for easier slicing and fully developed flavor.

Serving Suggestions

Creative garnishes and pairings can turn your cheesecake into an unforgettable dessert experience.

• Offer with a dollop of lightly sweetened whipped cream and a sprinkle of fresh key lime zest for bright color and aroma.

• Add a scattering of fresh raspberries, blackberries, or sliced strawberries for tangy contrast and elegant presentation.

• Serve on a pool of raspberry or mango coulis for a restaurant-style finish.

• Pair with citrusy drinks such as sparkling lemonade or a dry white wine for sophisticated gatherings.

• For textural interest, top with a sprinkle of toasted coconut or serve with crisp shortbread cookies on the side.

Final Thoughts

Key Lime Cheesecake is a celebration of bold citrus and creamy decadence, perfect for all occasions and guaranteed to impress your guests.

With proper technique, thoughtful ingredient choices, and helpful troubleshooting, anyone can create a luscious, crack-free cheesecake at home. Make it ahead, store it well, and enjoy each slice chilled for maximum flavor and smoothness.

Explore variations, such as a gluten-free crust or a dairy-free adaptation, and feel confident serving this crowd-pleaser all year round. Happy baking and enjoy every vibrant, tangy bite!