3In a bowl, mix together 1 cup of flour, 1 tablespoon of olive oil, 1 cup of water, 1 teaspoon of salt, 1 teaspoon of pepper, 1 teaspoon of garlic powder, 1 teaspoon of paprika, and a pinch of cayenne pepper.
4Add the sliced onions to the batter and mix well.
5Lightly grease a baking sheet with olive oil and spread the onion mixture evenly.
6Grate parmesan cheese over the onion mixture.
7Bake for 45-60 minutes, or until the edges are crispy.