Classic Meatloaf

8 oz tomato sauce
1 1/2 lbs ground beef
1 cup soft bread crumbs
1 egg
1 small onion, finely chopped
2 tsp worchestershire sauce
1 tsp dried crushed thyme leaves
1/2 tsp garlic salt
1/4 tsp pepper

Topping
1 tbsp packed brown sugar
1 tsp dry mustard

Preheat oven to 350F. Measure 1/4 cup tomato sauce, combine with topping ingredients. Set aside.
Combine remaining sauce with remaining meatloaf ingredients in large bowl, mixing lightly but thouroughly. Shape beef into a 8x4 1/2" loaf on rack in broiler pan. Spread topping over meatloaf. Bake 1 hour to medium doneness, until not pink in center and juices show no pink colour. Let stand 10 minutes before cutting into slices.