Prepare all of the ingredients. Bring oil up to 400 deg.
Mix flour, salt, paprika and baking soda together. Coat each onion ring in the flour and set aside.
Mix beer into flour mixture. It should be the consistency of pancake batter
Once oil is hot enough, dip a floured onion ring in the beer batter and coat completely. Gently drop into oil and let cook until brown then flip and cook until brown again. Remove to a cooking rack over paper towels. Serve immediately.