Instant Pot Roasted Tomato Basil Soup

INGREDIENTS

3 lb

roma tomatoes (cut in half lengthwise)

1/4 cup

olive oil (divided)

1 tsp

garlic powder

1 tbsp

kosher salt (divided)

1 1/2 tsp

black pepper (divided)

2 tsp

granulated sugar ((optional))

yellow onion (chopped)

6 cloves

garlic (minced)

3 tbsp

tomato paste

1/4 tsp

crushed red pepper flakes

3 1/2 cups

low sodium chicken broth (or vegetable broth)

3 cups

fresh basil leaves (loosely packed, plus more for garnish)

1 tsp

fresh thyme leaves

1/2 cup

heavy cream ((optional))

2 tbsp

butter ((optional))

Shaved Parmesan cheese (for garnish)