Prep 10m Cook 55m Additional 10m Ready In 1h 15m
Servings 1 8x12-inch casserole Calories 374.8

I’m sure many can raise their hand when they’ve wanted a comforting casserole and their chicken is frozen. Relax. This recipe makes use of frozen chicken breasts… dinner will be ready fast thanks to a head start in the Instant Pot®!

Recipe Ingredients

  • 1 tablespoon butter
  • ½ cup chopped onion
  • 1 (10 ounce) can diced tomatoes and green chiles (such as RO*TEL®)
  • 2 (6 ounce) frozen chicken breasts
  • 10 ounces spaghetti, broken in half
  • 1 (10.5 ounce) can low-sodium cream of mushroom soup
  • 1 (10.5 ounce) can low-sodium cream of chicken soup
  • ½ cup milk
  • 1 teaspoon taco seasoning mix
  • ½ teaspoon chicken seasoning salt (such as Chook®)
  • nonstick cooking spray
  • 2 cups shredded Cheddar cheese

Cooking Directions

  1. 1 Turn on a multi-functional pressure cooker (such as Instant Pot®) and select Saute function. Add in butter and onion and saute for about 3 minutes. Pour in diced tomatoes with liquid; mix to combine. Add frozen chicken breasts. Cancel Saute mode.
  2. 2 Close and lock the lid. Select High pressure according to manufacturer's instructions; set timer for 20 minutes. Allow 10 to 15 minutes for pressure to build.
  3. 3 Release pressure carefully using the quick-release method according to manufacturer's instructions, about 5 minutes. Unlock and remove the lid. Remove chicken and cut into bite-sized pieces. Add chicken back into the pot. Scatter noodles on top so they don't clump up.
  4. 4 Mix mushroom soup, chicken soup, and milk together in a bowl. Pour over noodles. Close and lock the lid. Select High pressure according to manufacturer's instructions; set timer for 7 minutes. Allow 10 to 15 minutes for pressure to build.
  5. 5 Release pressure carefully using the quick-release method according to manufacturer's instructions, about 5 minutes. Unlock and remove the lid. Stir in taco seasoning and chicken seasoning salt.
  6. 6 Set an oven rack about 6 inches from the heat source and preheat the oven's broiler. Spray an 8x12-inch casserole dish with cooking spray.
  7. 7 Transfer 1/2 of the spaghetti mixture to the casserole dish and sprinkle with 1/2 cup cheese. Add remaining spaghetti mixture and sprinkle with remaining 1 1/2 cups cheese.
  8. 8 Broil in the preheated oven until the cheese is bubbling and golden, 3 to 5 minutes.

Nutrition Facts

  • Calories 374.8
  • Carbohydrate 31.9 g
  • Cholesterol 63 mg
  • Fat 16.3 g
  • Fiber 2.6 g
  • Protein 22 g
  • Saturated Fat 8.1 g
  • Sodium 594.9 mg
  • Sugar 2.9 g

Reviews

  1. Pretty easy and tasty dish. I already had all ingredients on hand except the soups, so it’s a great dish to make in a pinch since it calls for frozen chicken. Unfortunately my picky 9yr old gave it a 5/10 rating.
  2. Came out fantastic. I added some extra spice (added garlic, Tapatio hot sauce, red pepper, and more onion). I cheated on the cheese. I was lazy and didn't want to grate some so instead, I substituted cheddar slices. They laid out across the pyrex evenly once in the middle and then across the top. I - Read more ...
  3. Wasnt much flavor

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