Preheat the oven to 325°F. Spray non-stick “donut” baking pan with oil.
In small bowl, mix flax meal, coconut flour, baking powder, and onion.
Beat the egg whites with electric mixer until light and foamy. Slowly whisk in the yolks then add the dry mixture. Allow the batter to sit for 5-10 minutes to thicken.
Spoon into “donut” mold. Sprinkle additional dried onion on top of each bagel, if desired. Bake for 30 minutes until bagels become golden brown. Allow to cool in the oven.
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Notes
Thickness of bagels will depend on the size donut pan used. We used a very large size mold so the bagels did come out thin. A medium size mold would make thicker bagels.The bagels will keep for up to a week in the refrigerator. They should keep for at least six months if sealed well in the freezer.If you don't like the taste of onion, leave it out. Garlic is a great alternative.Sprinkle seeds on top before baking. A sprinkling of everything bagel seed mix adds flavor and texture. Or just sprinkle on some sesame or poppy seeds.To make keto everything bagels, you can omit the onion and add some everything bagel seasoning. You can also replace the flaxmeal with psyllium husk for a more neutral taste.