WEGHT WATCHERS PARMESAN MEATLOAF
Ingredients 2 teaspoons canola oil 1 cup finely chopped white mushrooms 1 cup finely chopped onion 1 carrot, peeled and finely chopped 1 stalk celery, finely chopped 1 pound lean ground beef (7% or less) 1/2 cup quick cooking or old-fashioned oats (not instant) 2 large egg whites (I use 1 whole egg instead) 3 tablespoons ketchup (plus more for brushing on top) 1 tablespoon Worcestershire sauce 1 teaspoon dried thyme leaves (not ground thyme) 1 teaspoon salt…