As a food science expert with a focus on ingredient analysis, I can tell you that traditional marshmallows are not milk-free. They are made from sugar, gelatin, corn syrup, and often whipped egg whites. The gelatin is derived from collagen, which is a protein obtained from animal sources, including bones and connective tissues. However, there are vegan marshmallows available on the market that use plant-based alternatives to gelatin, such as agar-agar or carrageenan, making them suitable for those who follow a vegan diet or are allergic to milk.

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And surprisingly, they're completely dairy-free. Marshmallows are made up of basically just sugar, water and gelatin, which makes the recipe super easy to duplicate and fits into the lactose-free diet perfectly.read more >>