She can't do eggs.
Okay, do you have available, as an egg substitute, some flaxseed ground up, or some chia seed that you can soak in water, or some plain, gluten free unsweetened psyllium ? Otherwise can you find gluten free buckwheat (you can grind buckwheat seeds in a coffee grinder to make flour) or gluten free tapioca or gluten free amaranth or quinoa ? All of these "sticky" type flour ingredients can be used as part of egg substitutes in gluten free baking.
Gluten free flatbread pancake
3 heaping tablespoons gluten free flours (preferably straight buckwheat, or 1/2 buckwheat 1/2 other "sticky" type of gluten freee flour, or 1/3 each buckwheat, chickpea, potato starch)
pinch baking soda
some chia seed soaked in a little cold water is better for this, about a teaspoon of chia to a tablespoon of water, to make a "gel"
1/2 teaspoon vinegar
enough water to make a pancake type batter of the above
optional spices (a pinch of cumin is nice)
tablespoon oil, preferably olive oil
mix the above ingredients, adding enough water to make a thick batter, then cook in oil in a hot pan, makes 2 small or one big flatbread