INGREDIENTS
2 1/2 lb
Roma tomatoes, cut in half lengthwise
4 tbsp
olive oil, divided
Salt and pepper, to taste, for seasoning tomatoes
1
medium onion, chopped
4 cloves
garlic, minced
red pepper flakes
1 cup
freshly chopped basil
1 15 ounce can
diced tomatoes
4 cups
vegetable broth (you can use chicken broth)
Salt and pepper,