How to Deep Fry Save Collection Share Learn how to deep-fry like a pro. 1 / 6 Photo: ANDREW PURCELL Step 1 Make a basic batter: Whisk 1 cup flour with 1 teaspoon baking powder, 1/2 teaspoon salt and 1 cup cold club soda. (Makes 2 cups; enough for about 1 pound of food.)