Master Recipe for Rich and Creamy Cheesecake

INGREDIENTS

• 1 tablespoon softened butter
• 3 tablespoons crumbs from Famous Chocolate Wafers, graham crackers or ginger snaps, OR
• 1 (3 ounce) package soft ladyfingers (24 total) left whole, but trimmed to fit pan (optional)
• 3 (8 ounce) packages cream cheese, at room temperature
• 1 cup sugar
• 3 large eggs, at room temperature
• 2 teaspoons vanilla extract
• 1/4 cup heavy cream
• 1/4 cup sour cream
• Heavy-duty foil for pan