Key Lime Cheesecake

Ingredients :
Lime custard:

6 large egg yolks
3/4 cup sugar
6 tablespoons fresh Key lime juice
1 teaspoon grated Key lime peel
1 3/4 cups graham cracker crumbs
1/4 cup sugar
1/2 teaspoon salt
1/2 cup unsalted butter, melted
2 (8-ounce) packages cream cheese, room temperature
2/3 cup plus 3 tablespoons sugar
2 large eggs
3 tablespoons fresh Key lime juice
1 tablespoon grated Key lime peel
1 16-ounce container sour cream

Directions :
  1. Preheat oven to 350F.
  2. Whisk together all ingredients for custard in a large saucepan over medium heat and bring to a boil, stirring continuously. Reduce heat and cook additional 8 minutes, until sauce thickens. Cool to room temperature.
  3. In a large mixing bowl, combine graham cracker crumbs, sugar, salt and butter. Press into bottom and 1 inch up the sides of a 9 inch springform pan.
  4. Bake crust for 5 minutes.
  5. Beat together cream cheese, 2/3 cup sugar, eggs, lime juice and lime peel until smooth and creamy.
  6. Spoon custard mixture into crust and spread evenly. Carefully spoon filling over top.
  7. Set cheesecake pan in a large baking pan full of water, enough to come 1 inch up the sides.
  8. Bake 45 minutes, until center is almost set.
  9. In a medium bowl, stir together sour cream and remaining sugar. Spoon over hot cheesecake. Bake an additional 10 minutes. Cool, cover and refrigerate.
  10. Garnish suggestion – fresh lime slices.