Combine Nonfat Greek Yogurt, flour, salt, and baking soda.
Prepare egg wash by whisking 1 egg with 1 tsp cool water.
Form the dough into bagels.
Brush the bagels with the egg wash.
Sprinkle with Cinnamon Toast Crunch Topping or cinnamon and sugar.
Bake in the oven at 350 for 30 minutes or until crispy on top.
