Roasted Red Pepper Sauce - Vegeterian

1 tablespoon extra virgin olive oil 1 onion , diced 3 garlic cloves , minced 1 stalk celery , finely minced 16 ounces fresh mushrooms , sliced 56 ounces[...]

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[...]

1 large roasted red pepper, seeded (homemade or from a jar) 1 slice white bread, crusts removed and torn into small pieces 1 tablespoon reduced-fat mayonnaise[...]

4 lbs plum tomatoes 1 large sweet white onion 1 (28 ounce) can tomatoes in puree 2 (7 ounce) jars marinated artichoke hearts 3 (7 ounce) jars roasted sweet[...]

1 medium red pepper, roasted and finely chopped (roasting instructions follow) 1 tablespoon margarine or 1 tablespoon butter 1 tablespoon olive oil 1 clove[...]