A yummy S'mores snack made with Golden Grahams cereal.
Spray a 9 x 13 baking dish with non-stick cooking spray. Set aside.
Pour cereal and 3 cups of marshmallows into a large mixing bowl-stir to combine. Set aside.
In a sauce pan, melt butter, chocolate chips, 3 cups of marshmallows, and corn syrup over low heat. Stir constantly until melted and smooth.
Remove from the heat and add vanilla. Stir to blend.
Pour mixture over cereal and marshmallows in the mixing bowl. Stir quickly to coat.
Press coated cereal mixture into the 9 x 13 baking dish.
Let Indoor S'mores cool completely.
Cut into squares and enjoy! (It is really good warm and gooey, too)