"Improve a protein bagel recipe without using protein powder or sweeteners. Include baking with a pan of water in the oven for moisture. Original ingredients: 500 grams Fiber Gourmet flour, 1 tsp salt, 8 tsp baking powder, 2 tbsp vital wheat gluten, 1 beaten egg, 550 grams 0% Greek yogurt, egg white for egg wash. Enhance texture and flavor while keeping it high-protein and savory."