Key Lime Cheesecake Recipe

Indulge in this exceptional Key Lime Cheesecake, where a tangy lime custard base transforms a classic into a dreamy fusion of cheesecake and key lime pie! The creamy, dreamy filling is perfectly balanced with a buttery graham cracker crust, creating a flavor explosion in every bite. This recipe requires overnight refrigeration to allow the flavors to meld and achieve the perfect creamy texture. Prepare to be amazed!

Prep Time 60 mins
Cook Time 98 mins
Calories 598.8 kcal
Protein 17g
Rating Be the first
Key Lime Cheesecake 55

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Key Lime Cheesecake

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How to Make Key Lime Cheesecake

  1. **Lime Custard:**
  2. In a heavy small saucepan, whisk together 1 cup granulated sugar, 1/2 cup key lime juice, 1/4 cup cornstarch, and 1/4 teaspoon salt.
  3. Gradually whisk in 2 cups heavy cream.
  4. Cook over medium heat, whisking constantly, until the custard thickens and boils for 30 seconds (about 8 minutes).
  5. Pour into a bowl, cover with plastic wrap, pressing it directly onto the surface to prevent a skin from forming, and cool to room temperature, stirring occasionally.
  6. **Crust:**
  7. Preheat oven to 350°F (175°C).
  8. Wrap 3 layers of foil around the outside of an 8- to 8 1/2-inch diameter springform pan with 3-inch-high sides.
  9. Butter the pan.
  10. In a medium bowl, combine 1 1/2 cups graham cracker crumbs, 1/4 cup granulated sugar, and a pinch of salt.
  11. Add 6 tablespoons (3 ounces) melted unsalted butter and mix until moistened.
  12. Press the crumb mixture evenly onto the bottom and 1 1/2 inches up the sides of the prepared pan.
  13. Bake for 5 minutes, or until lightly set. Cool completely.
  14. **Filling:**
  15. In a food processor, combine 3 (8-ounce) packages cream cheese, softened, 2/3 cup granulated sugar, 4 large eggs, 1/4 cup key lime juice, and 1 tablespoon key lime zest.
  16. Blend until smooth and creamy.
  17. Pour the cooled lime custard into the cooled crust.
  18. Smooth the top of the custard.
  19. Carefully spoon the cream cheese filling over the custard layer.
  20. Place the cheesecake pan in a larger baking pan.
  21. Pour enough hot water into the larger pan to come 1 inch up the sides of the cheesecake pan (this creates a water bath).
  22. Bake for 45 minutes, or until the cheesecake is almost set but the center still moves slightly when the pan is gently shaken.
  23. **Sour Cream Topping:**
  24. Meanwhile, in a medium bowl, combine 1 cup sour cream and 3 tablespoons granulated sugar.
  25. Carefully spread the sour cream mixture over the hot cheesecake.
  26. Smooth the top.
  27. Bake for an additional 10 minutes, or until the topping sets.
  28. Cool for 10 minutes.
  29. Run a knife around the sides of the pan to loosen the cheesecake.
  30. Cool completely on a wire rack.
  31. Cover and refrigerate overnight (or up to 2 days).
  32. Release the pan sides from the cheesecake.
  33. Transfer to a platter.
  34. Garnish with lime slices and serve.

Nutrition Information (Approximate per serving)

Sodium

11 g

Sugar

168g

Fat

117g

Carbs

17g

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Frequently Asked Questions

How long does it take to make Key Lime Cheesecake?

Key Lime Cheesecake takes about 158 minutes from start to finish — roughly 60 minutes to prepare and 98 minutes to cook.

How many calories are in Key Lime Cheesecake?

Key Lime Cheesecake has approximately 598.8 calories per serving, with about 17 g protein, 17 g carbohydrates and 61 g fat.

What ingredients do I need for Key Lime Cheesecake?

The key ingredients for Key Lime Cheesecake are Egg Yolks, Sugar, Key Lime Juice, Lime Peel, Graham Cracker Crumbs, Unsalted Butter. See the full list with measurements above.

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