01 -
Two tablespoons of neutral oil, like canola.
02 -
One yellow onion, peeled.
03 -
Three-quarters of a pound of zucchini.
04 -
A 28-ounce can of diced tomatoes.
05 -
Two tablespoons of tomato paste.
06 -
One cup of chicken broth.
07 -
Half a teaspoon of red chili flakes.
08 -
One tablespoon of granulated sugar.
09 -
Two tablespoons of chopped fresh basil.
10 -
A third cup of heavy whipping cream.
11 -
A quarter cup of grated Parmesan cheese.