Place the water in the bottom of a 6 quart instant pot. Then add the fresh green beans.
Cook on high pressure for 2 minutes and do a quick release to release the pressure from the instant pot after the cooking time.
In a small mixing bowl, whisk together the milk, cream of mushroom soup, salt and pepper.
After the green beans have cooked, switch the instant pot to the sauté setting with the lid off and stir in the cream of mushroom mixture. Heat on the sauté setting for 3-4 minutes to heat the mixture through and combine the ingredients. Then stir in half of the French fried onions and cook for 1 minute.
Turn the instant pot off and let the mixture sit for 3-5 minutes to allow the sauce to thicken and then top the casserole with the remaining French fried onion right before serving.
Enjoy!
Video
Notes
If you want the top toasted for an added crunch on this casserole, transfer it to a casserole dish, top with the French fried onions and broil OR bake at 450 degrees F for 3-5 minutes until the top is browned slightly. You can also use canned green beans in this recipe if you prefer. If you use canned, use approximately 3 cans, drain them and you do not need to pre-cook them before stirring them into the mixture. They will cook on the sauté setting with the cream of mushroom soup mixture. Store leftovers in an airtight container in the refrigerator for up to 3-4 days.
Expert Tips
Bake after cooking in the Instant Pot - If you want the top toasted for an added crunch on this casserole, transfer it to a baking dish. Then top with the French fried onions and broil OR bake at 450 degrees F for 3-5 minutes until the top is browned slightly.
Transporting Green Bean Casserole - Since you are making this in the instant pot, I would transfer the cooked ingredients to a casserole dish. Then top with the remaining french fried onions right before serving so they stay crispy.
Green Beans - We recommend using fresh or frozen green beans. But if you use canned, you can skip the initial step of cooking the green beans.
Variations
Cheese – You can add in shredded cheddar cheese if you prefer. Mix a combination of parmesan, mozzarella cheese, cheddar with the other ingredients. This combination makes extra cheesy.
Mushrooms – We used cream of mushroom soup, but you easily use fresh mushrooms that have been sauteed a bit.
Cream Soup – Instead of using cream of mushroom soup, you can use cream of chicken or cream of celery. Use what you prefer and what you have.
Crushed Crackers – You can add a layer of crushed crackers for an extra crunch to the casserole. Use crushed crackers instead of the crispy fried onions for that crunchy layer on top.
Fresh Onion – For added flavor, you can always add in some fresh onion.
Slow Cooker – You can also make this casserole dish in the slow cooker. We like making it in the slow cooker to save space for the oven.
Chicken Broth - Instead of using water to pour into the instant pot, using chicken broth or vegetable broth.