Tallow/ˈtæləʊ/ Definition 1 of 2Pro Tip 1/3Cooking Usage Tallow is often used for high-heat cooking like frying, due to its high smoke point. He used beef tallow for deep-frying the potatoes. Pro Tip 2/3Candle Material Historically, tallow was commonly used to make candles before paraffin wax became popular. The tallow candles gave a soft glow to the old room. Pro Tip 3/3Animal Origin Tallow specifically refers to fat from cattle or sheep, not pigs or plants. She prefers sheep tallow for her recipes.