![image](https://spoonacular.com/recipeImages/oven-roasted-tomato-sauce-716413.jpg)
Ingredients: 2T balsamic vinegar,4T extra virgin olive oil,1/4c chopped fresh basil,1/4c chopped fresh basil,3 cloves garlic,2-3 cups grape tomatoes, halved,1/2 onion, sliced,couple of pinches of red pepper flakes,salt and freshly-ground pepper, to taste
Instructions: