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The smoke point is the temperature in which the oil starts to burn or break down and can make your food taste burnt. Vegetable, grapeseed, peanut, and soybean oil all have a high smoke point. Other oils, like olive oil, have a low smoke point and aren't ideal to use in a deep fryer. There are a variety of different kinds of deep fryers on the market and they all operate differently. Make sure to read the instructions that came with the fryer so that you're aware of any specific things that you have to do with your model. Some deep fryers will have a frying basket that you need to put together or a lid that you have to attach to the top of the fryer. Read the instructions that came with the deep fryer and assemble the fryer so that it's ready for use. A variety of foods can be deep fried but some are more popular than others. Some of the most common things to deep fry include chicken, potatoes, and fish. Most food will taste better if you dredge it through an egg wash and apply a flour or breadcrumb coating on the food before frying. You can also fry vegetables like okra, tomatoes, and pickles.
Use an oil with a high smoke point. Read the instructions that came with your deep fryer. Assemble your deep fryer. Purchase a food that's good for deep frying.