2 cups flour
1 cup graham cracker crumbs
1 teaspoon baking soda
1/2 teaspoon salt
1 cup (2 sticks) butter, at room temperature
3/4 cup sugar
3/4 cup brown sugar
1 teaspoon vanilla
2 cups chocolate chips
12 ounces milk chocolate, chopped
1/2 cup cream
2 1/2 cups mini marshmallows
Preheat oven to 375º. Line 14 inch deep dish pizza pan with foil and spray with non-stick spray. Set aside.
Cream together butter and sugars, then mix in eggs and vanilla. Slowly mix in flour, graham cracker crumbs, salt and baking soda till well incorporated. Stir in chocolate chips.
With an offset spatula, smooth dough into prepared pan. Bake for 18-20 minutes or till golden brown. Cool completely.
Melt milk chocolate and cream together and stir till smooth. To use microwave, stop and stir at 30 second increments till smooth. Allow to cool slightly and spread over crust, stopping about 1/2 inch from edge. Put in fridge to allow chocolate to cool.
Sprinkle mini marshmallows over chocolate. Broil about 6 inches from the element for 2-3 minutes till marshmallows are light golden brown. Watch carefully to prevent burning. Cool. Run knife under very hot water, then dry to slice.