Now take an onion and chop it, chop the garlic as well.Īdd the chopped Spinach, and shredded Mozzarella into the bowl. Gather all the ingredients first, trust me it lessens the hassle. Sometimes there will be bits of stuck-on onion or marinara sauce that could also cause a burning message, so make sure to scrape them off before pressure cooking to prevent this. So, make sure to add the full 1 and ½ cups of water.Īfter you add the water, use a wooden spoon or flexible rubber spatula to scrape the bottom and corners of the pot. If you don’t add sufficient water, the marinara may start to burn and you’ll get a burning message on your Instant Pot. It may seem strange to add water to the marinara sauce, but it’s necessary for this recipe. If you have an 8-quart Instant Pot - use 20 stuffed shells. If you have a 6-quart Instant Pot - use 16 stuffed shells. Since we are placing the shells in a single layer, the amount change based on your Instant Pot size. The spinach can be minced after cooking and draining. If using fresh spinach, you should briefly boil the spinach, then drain and squeeze out excess water before adding to the cheese mixture. If you do use frozen spinach, make sure to fully defrost and drain it first, squeezing out as much excess liquid as possible with your hands.
I highly recommend using fresh baby spinach for this recipe.įrozen spinach contains a lot of water, so it may result in the shells becoming too watery. For more quick and easy ideas for side dishes, check What To Serve With Stuffed Shells.