01 -
Whole peeled tomatoes - 28 ounces.
02 -
Yellow onion, thinly sliced - 1 small.
03 -
Garlic cloves, crushed - 4.
04 -
Butter, divided - 4 tablespoons.
05 -
Fresh basil leaves - 4.
06 -
Olive oil - 3 tablespoons.
07 -
Kosher salt - 1 teaspoon.
08 -
Black pepper - 1/2 teaspoon.
09 -
Hot sauce - 1/4 teaspoon.
10 -
Cheddar cheese, grated - 4 ounces.
11 -
Mozzarella cheese, grated - 2 ounces.
12 -
Parmesan cheese, shredded - 2 ounces.
13 -
Italian seasoning - 1 teaspoon.
14 -
Sourdough bread - 1/2 loaf.
15 -
Vegetable broth - 4 cups.
16 -
Balsamic vinegar - 1 tablespoon.