Preheat the oven to 350°F (175°C) and line a baking sheet with parchment paper or a silicone baking mat.
In a large bowl, add the 2/3 cup greek yogurt, 1 cup almond flour, 1/4 cup tapioca flour, 1-1/2 teaspoons baking powder, 1/4 teaspoon garlic powder, and 1/4 teaspoon salt until well combined. You can use a sturdy spatula, food processor or mixer.
Divide the bagel dough into four equal portions, apply light olive oil (or any oil) to your hands, and roll each portion into a ball and place on the baking sheet. Gently shape it into a bagel by poking a hole through the center with your finger and stretching it slightly to make a bagel shape.
Separate one egg white to make an egg wash and spread it over the tops and sides of the bagels with a pastry brush. You can also brush the bagels with light olive oil, avocado oil, or coconut oil for an egg-free option. Sprinkle the Everything Bagel Seasoning on top of each bagel for extra flavor.
Bake for 20-25 minutes, or until the bagels are golden brown and firm to the touch. Let the bagels cool for a few minutes on the baking sheet, then transfer to a wire rack to cool completely before slicing. Let the bagels rest for about 20–25 minutes before slicing. This helps the crumb set, so they don’t compress or feel gummy inside. (I learned this from testing versions that were still warm that squished together when I sliced them). Enjoy!