To makehomemade self-rising flour: combine 2 cups all-purpose flour, 1 tablespoon baking powder, and 1/2 teaspoon fine sea salt.
To make a bagel with more "chew," substitute bread flour for AP flour in homemade self-rising flour recipe listed above.
Use strained thick Greek yogurt.Stay away from those that are labeled "Greek style" yogurt as they tend to have more moisture. Suggested brands include: Fage Total 0% Greek Yogurt and Stonyfield Greek Yogurt. If there is any liquid in your yogurt, it should be drained before using. Thick Greek yogurt works the best!
The dough can also be mixed together in a stand mixer using a dough hook attachment. Add the ingredients to a mixing bowl and mix on low speed until a shaggy dough forms. Increase to medium speed and knead until the dough no longer sticks to the sides of the bowl.
When rotating the baking sheet, check if the bottoms of the bagels are browning too fast. If so, simply place another baking sheet under the current baking sheet and continue baking.