Beat the egg with 1 teaspoon of water. Brush the pretzels with this egg wash and sprinkle with salt to taste. Bake both sheets of pretzels for 15 to 18 minutes, rotating the baking sheets and ...
Once the sheet is full, slash the thickest part of the pretzels with a sharp serrated knife and sprinkle with salt crystals. Transfer to the oven immediately and bake for 12–15 minutes.