01 - Preheat oven to 375°F. Line a baking sheet with parchment paper.
02 - Combine self-rising flour and Greek yogurt in a large bowl. Mix with a spatula until a shaggy dough develops.
03 - Transfer mixture to a lightly floured surface. Knead for 2 to 3 minutes until the dough is smooth and elastic.
04 - Divide dough into 4 equal portions. Roll each into a rope approximately 7 inches in length, shape into a ring, and pinch ends to seal.
05 - Arrange shaped dough on prepared baking sheet. Brush each with beaten egg and sprinkle chosen toppings if desired.
06 - Bake in preheated oven for 22 to 25 minutes, or until golden brown and fully cooked.
07 - Allow bagels to cool slightly before serving.