2 cups crushed shortbread cookies (about 28 cookies)
3 tablespoons butter or margarine, melted
4 Pralines, coarsely crumbled
5 (8-ounce) packages cream cheese, softened $
1 3/4 cups sugar $
2 tablespoons all-purpose flour
1 1/2 teaspoons vanilla extract
4 large eggs $
2 egg yolks $
1/3 cup whipping cream
1 teaspoon grated lemon rind $
2 (8-ounce) containers sour cream
1/3 cup sugar $
Garnish: crumbled Pralines
Combine cookie crumbs and butter. Press into bottom and up sides of a greased 10-inch springform pan.
Bake at 350° for 8 minutes. Cool on a wire rack. Sprinkle coarsely crumbled Pralines over crust.
Beat cream cheese at medium speed with a heavy-duty electric mixer until creamy. Gradually add 1 3/4 cups sugar, flour, and vanilla, beating until smooth. Add eggs and egg yolks, 1 at a time, beating just until yellow disappears. Stir in whipping cream and lemon rind. Pour in crust. Place on a foil-lined baking sheet.
Bake at 350° on lower oven rack 10 minutes. Reduce oven temperature to 325,° and bake 1 hour and 20 minutes or until almost set. Cool on wire rack 1 hour.
Stir together sour cream and 1/3 cup sugar; spread over cheesecake.
Bake at 325° for 10 minutes. Cool on a wire rack. Cover and chill 8 hours. Remove sides of pan. Garnish, if desired.