Try combining 1 part of golden flax seed meal and 3 parts of almond meal along with an egg, your choice of artificial sweetener, baking powder and seasonings such as cinnamon and vanilla extract for homemade graham crackers. A regular marshmallow has around 5.8 grams of carbohydrates and over 4 grams of sugar.
The milk chocolate bars typically used in s'mores might have 26 grams of total carbohydrates and 24 grams of sugar per bar. Sugar-free chocolate, which is sweetened with sugar alcohol compounds such as mannitol and xylitol, contains around 24 grams of total carbohydrates per serving but with none contributed by sugar.
These marshmallows may contain approximately 5.7 grams of total carbohydrates, but only a trace amount of net carbs -- 0.06 gram -- and no fat. The manufacturers claim that these low-carb marshmallows melt in the same manner as regular marshmallows.