Roasted Pepper with cornstarch

1 head garlic 1 tablespoon olive oil 1 (16 ounce) can diced tomatoes (undrained) 1 large red bell pepper 1 pinch red pepper flakes (optional) 1 teaspoon sugar[...]

12 ounces roasted red peppers, drained 1 small onion , chopped 2 fresh garlic cloves , minced 2 tablespoons extra virgin olive oil 2 cups 2% low-fat milk 2[...]