Ingredients for - Cheesy Rigatoni in the Instant Pot

1. Vegetable oil 1 teaspoon
2. Ground beef 2 pounds
3. Onions, finely chopped 2 medium
4. Celery, thinly sliced 4 stalks
5. Green bell pepper, finely chopped 1 medium
6. Garlic, minced 4 cloves
7. Water 5 ½ cups
8. Spaghetti sauce 1 (28 ounce) jar
9. Rigatoni pasta 1 (16 ounce) package
10. Worcestershire sauce 2 tablespoons
11. Dried thyme ½ teaspoon
12. Salt ½ teaspoon
13. Ground black pepper ½ teaspoon
14. Shredded Cheddar cheese 2 cups

How to cook deliciously - Cheesy Rigatoni in the Instant Pot

1 . Stage

Place oil in a multi-functional pressure cooker (such as Instant Pot) and select Saute function. Add beef, onions, celery, bell pepper, and garlic. Cook and stir until beef is browned and crumbly, 5 to 7 minutes.

2 . Stage

Add water, spaghetti sauce, rigatoni, Worcestershire sauce, thyme, salt, and pepper; stir to combine. Select high pressure according to manufacturer's instructions; set timer for 4 minutes. Allow 10 to 15 minutes for pressure to build.

3 . Stage

Release pressure carefully using the quick-release method according to manufacturer's instructions, about 5 minutes. Unlock and remove the lid.

4 . Stage

Stir in Cheddar cheese, 1/2 cup at a time.