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Company Beef Casserole

  • Author: 365 Days of Slow and Pressure Cooking
  • Prep Time: 20 minutes
  • Cook Time: 3 minutes (plus 5 minute NPR)
  • Total Time: 23 minutes
  • Yield: 6-8 servings 1x


A creamy baked spaghetti with marinara sauce and mozzarella cheese. Perfect for serving to guests!


  • 16 ounces lean ground beef
  • 2 Tbsp minced dried onion (or 1 cup diced onion)
  • 3/4 tsp garlic salt
  • 1 Tbsp Italian seasoning
  • 2 cups beef broth
  • 8 ounces spaghetti
  • 1 (24 ounce) can marinara sauce
  • 4 ounces cream cheese
  • 1 cup shredded mozzarella cheese


  1. Turn Instant Pot to saute setting (more). When display says hot add in the beef and break it up. Add in the onion. Brown for about 5 minutes. Drain off excess grease. Stir in the garlic salt and Italian seasoning. 
  2. Pour in the broth and scrape bottom of pot so that nothing is sticking. 
  3. Break the spaghetti in half and lay it in a criss cross pattern in the pot. Evenly pour the spaghetti sauce over the top of the spaghett. Add the cream cheese on top. 
  4. Cover Instant Pot and secure the lid. Make sure valve is set to sealing. Set the manual/pressure cook button to 3 minutes. When time is up let pot sit for 5 minutes and then move valve to venting. Remove the lid.
  5. Stir well. For a more baked spaghetti taste, place air fryer lid on top and bake at 375 degrees for 3 minutes. Then add the cheese on top and bake for 2 more minutes. (If you don’t have an air fryer lid then spoon the spaghetti into a baking dish and bake in the oven for 15 minutes at 375, then sprinkle on the cheese and bake for 5 more minutes). 
  6. Serve and enjoy!
  • Category: Beef
  • Method: Instant Pot/Air fryer lid