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Buy pistachios that are raw and have no flavoring on them. You can find raw pistachios at your local grocery store or farmer’s market. Pistachios are an expensive nut and can be costly if they are bought in small amounts. Getting them in bulk may save you money in the long run, especially if you like eating a lot of pistachios. Take the shells off by finding the opening on the shell. The shell should gape open at one end. Hold the pistachio between your thumbs and pull the shell apart until it snaps off. Removing the shell will make it easier to roast the entire nut. You can also crack the pistachio shell between your back teeth if the opening is not very big. Be careful not to bite down too hard on the shell, as you can damage your teeth. If you’d prefer the pistachios have a less intense roasted flavor, you can leave the shells on. However, the pistachios may not be roasted evenly or all the way through if you keep the shells together. If you are using the skillet method to roast the pistachios, you should remove the shells so they can roast properly in the skillet.
Get plain pistachios. Buy pistachios in bulk to save money. Remove the shells on the pistachios. Leave the shells on for a more subtle flavor.