Lemon Bar Cheesecake with Marshmallow Topping

Lemon Bar Base:

• 1 1/2 cups graham cracker crumbs
• 1/4 cup granulated sugar
• 1/2 cup unsalted butter, melted
• 1/4 cup lemon juice
• 1 tablespoon lemon zest

New York-Style Filling:

• 24 ounces Norman's Kosher Cholov Yisroel Cream Cheese, at room temperature
• 1 cup granulated sugar
• 4 large eggs
• 1/4 cup heavy cream
• 1/4 cup lemon juice
• 2 teaspoons vanilla extract

Marshmallow Topping:

• 1 cup granulated sugar
• 1/4 cup water
• 4 large egg whites
• 1/2 teaspoon cream of tartar
• 1 teaspoon vanilla extract