This Instant Pot Mostaccioli recipe is super simple, very quick, and absolutely delicious. I was a bit skeptical about using the Instant Pot for pasta. We enjoy our pasta with a little bite and I just wasn’t sure it was going to come out that way using the pressure cooker. Boy, was I wrong!! This recipe is great with hamburger, turkey, and even with Italian sausage. It’s all about what you have and what you are in the mood for. Start by turning your Instant Pot to the Saute setting on high. Add the oil to the Instant Pot and drop in your chopped onion and ground beef. When those…