Ingredients for - Instant Pot® Tomato Soup

1. Olive oil 1 tablespoon
2. Celery, chopped 4 stalks
3. Chopped carrot 1 cup
4. Yellow onion, chopped 1 small
5. Garlic, chopped 2 cloves
6. Vegetable broth 4 cups
7. Fire-roasted diced tomatoes 1 (14.5 ounce) can
8. Crushed San Marzano tomatoes 1 (14.5 ounce) can
9. Tomato paste 3 tablespoons
10. Dried basil 2 teaspoons
11. Salt and ground black pepper to taste 2 teaspoons
12. Butter ¼ cup
13. All-purpose flour ¼ cup
14. Milk 1 cup
15. Grated Parmesan cheese ½ cup
16. Raw cane sugar (Optional) 1 tablespoon
17. Red pepper flakes (Optional) 1 teaspoon

How to cook deliciously - Instant Pot® Tomato Soup

1 . Stage

Turn on a multi-functional pressure cooker (such as Instant Pot®) and select Saute function. Add olive oil, celery, carrot, onion, and garlic. Cook for 5 minutes, stirring occasionally.

2 . Stage

Stir in vegetable broth, diced and crushed tomatoes, tomato paste, basil, salt, and pepper. Close and lock the lid. Select high pressure according to manufacturer's instructions; set timer for 6 minutes. Allow 10 to 15 minutes for pressure to build.

3 . Stage

Meanwhile, melt butter in a small saucepan over low heat. Stir in flour until a smooth, thick paste forms, about 3 minutes.

4 . Stage

Release pressure naturally for 2 minutes according to manufacturer's instructions. Release remaining pressure by opening the valve to vent.

5 . Stage

Use an immersion blender to carefully puree the hot soup. Select Saute function again; set timer for 3 minutes. Add flour paste, stirring continuously. Add milk, Parmesan cheese, sugar, and red pepper flakes. Season with more salt and pepper if needed. Stir to combine until the timer ends.