Roasted Fresh Tomato Sauce
4 lbs ripe, unblemished tomatoes
1 medium onion, coarsely chopped, about one cup
8 to 10 garlic cloves, or to taste, peeled
2 TBSP extra virgin olive oil
salt and pepper tp taste
optional flavoring
2 TPSP chopped fresh herbs (basil, rosemary, dill oregano, chives, or...