For shrimp, chicken, fish, even onion rings. For an extra kick, nix the flavorful spices, and mix the eggs with some chipotle peppers in a blender.
2 eggs, beaten
2T corn starch
2t baking soda
1T flavorful spices — Old Bay, garlic powder … up to you.
Mix the dry ingredients together, then add the eggs and the beer, pouring the beer against the side of the bowl. Mix thoroughly, and let rest for 30 minutes. Then dip the fish strips (or whatever) in to coat thoroughly. Fry for 2 minutes on each side in hot (350°) oil.