Ingredients
2 1/2 pounds Roma tomatoes, cut in half lengthwise
4 tablespoons olive oil, divided
Salt and pepper, to taste, for seasoning tomatoes
1 medium onion, chopped
4 cloves of garlic, minced
Dash of red pepper flakes
1 cup freshly chopped basil
1 (15 ounce) can diced tomatoes
4 cups vegetable broth
Salt and pepper, to taste
