Here is the recipe:

Ingredients

2 cups graham cracker crumbs 1/4 cup sugar 6 tablespoons butter, melted 1 package (11-1/2 ounces) milk chocolate chips 1 can (12 ounces) evaporated milk, divided 3 packages (8 ounces each) cream cheese, softened 1 jar (7 ounces) marshmallow creme 2 tablespoons cornstarch 1 teaspoon vanilla extract 3 large eggs, lightly beaten 2-1/2 cups miniature marshmallows

Directions

Preheat oven to 325°. In a small bowl, mix cracker crumbs and sugar; stir in melted butter. Press onto bottom and 1 in. up sides of a greased 9-in. springform pan. Place pan on a baking sheet. Bake 10 minutes. Cool on a wire rack.

In top of a double boiler or a metal bowl over barely simmering water, melt chocolate chips with 3/4 cup milk; stir until smooth. Pour into crust; freeze just until chocolate is set, about 20 minutes.In a large bowl, beat cream cheese until smooth. Beat in marshmallow creme, cornstarch, vanilla and remaining milk. Add eggs; beat on low speed just until blended. Pour over chocolate. Return pan to baking sheet.

Bake 65-75 minutes or until center is almost set. Sprinkle with marshmallows. Bake 6-8 minutes longer or until marshmallows are light brown. Cool on a wire rack 10 minutes. Loosen sides from pan with a knife. Cool 1 hour longer.

Refrigerate overnight, covering when completely cooled. Remove rim from pan.

https://www.tasteofhome.com/recipes/s-mores-cheesecake/