Crispy marshmallow bars

Ingredients

Marshmallow creme (corn syrup, calcium carbonate, sugar, modified gum acacia, fructose, glycerin, agar, salt, natural flavor), toasted crisp rice cereal (rice, sugar, salt, malted barley syrup, sodium ascorbate [vitamin c], glyceryl monostearate, reduced iron, niacin, mixed tocopherols [antioxidant], alpha tocopherol acetate [vitamin e], pyridoxine hydrochloride [vitamin b6], vitamin a palmitate, thiamine mononitrate [vitamin b1], riboflavin [vitamin b2], folic acid, vitamin b12, vitamin d), butter (cream, salt).