This easy Instant Pot Tuna Casserole Recipe is made with a simple homemade cream cheese and parmesan sauce, sautéed mushrooms, and fresh garlic. Topped with French Fried Onions for a deliciously crispy topping, you'll be going back for seconds!
Heat Instant Pot to Sauté and wait until it reads "hot".
Add Butter and Garlic, and allow the Butter to melt while stirring.
Add Mushrooms and sauté until softened. Add Lawrey's Seasoning. Heat through.
Press Cancel and turn off the Instant Pot.
Add the Chicken Broth, then add the Egg Noodles and make sure they are mostly covered. Add the Heavy Cream, but do not stir.
Put the Tuna on top of the noodles, without stirring.
Set the Instant Pot to Manual for 2 minutes. Allow a 4 minute Natural Release and then Quick Release.
Stir the noodles and tuna together until evenly mixed.
Add in the Cream Cheese, Black Pepper, and Parmesan Cheese and stir to combine.
Add the Frozen Peas and stir. Close the lid for 5 minutes to heat the peas and melt the cheese.
Place the Tuna Casserole into a 9x13 casserole dish, and top with French Fried Onions.
To crisp the top of the casserole, bake it in the oven at 350 degrees for 7-9 minutes, or until golden brown. Serve and enjoy.
Stove Top Directions
Cook noodles according to package directions, drain the water. Set it aside.
Drain the Tuna and set it aside.
Meanwhile, in a saucepan over medium heat, melt the butter and add garlic. Add mushrooms and sauté until softened.
Add Lawrey's seasoning salt and stir.
In a saucepan, add 1 cup heavy cream and ½-¾ cup chicken broth and heat through.
Add parmesan cheese and cream cheese and stir.
Next, add the cooked noodles and stir to coat evenly.
Then add the tuna and stir to combine. Add peas and heat through.
Add pepper to taste.
Either enjoy right away, or place the Tuna Casserole in a casserole dish and top with French Fried Onions (optional).
Bake at 350 for 7-9 minutes until the top is crispy and warm. Serve and enjoy!
Notes
Storage
Storage: Store leftover Tuna Casserole in the refrigerator for up to 3 days. Make sure it's covered in plastic wrap or stored in an airtight container to keep it as fresh as possible.
Reheating: Reheat this Tuna Casserole on the stove by adding a little bit of milk or cream, heating it over medium-low heat, and stirring until it's piping hot. You can also reheat it in the microwave.
Freezing: You can freeze your leftovers really easily by wrapping the casserole dish with aluminum foil and freezing it in the pan. Once it's frozen, remove the casserole from the pan and place it in a large freezer Zip-loc bag. Then return it to the freezer for compact storage. Allow it to thoroughly defrost in the fridge before reheating it.