1 (8 oz.) can tomato sauce
1/4 c. brown sugar
1/4 c. vinegar
1 tsp. prepared mustard
1 egg, lightly beaten
1 med. onion, minced
1/4 c. cracker crumbs
2 lbs. lean ground beef
1 1/2 tsp. salt
1/4 tsp. pepper

Combine tomato sauce, brown sugar, vinegar and mustard in a small bowl; set aside.

Combine egg, onion, cracker crumbs, ground beef, salt and pepper in a mixing bowl. Add 1/2 cup of the tomato mixture and blend thoroughly. Shape into an oval loaf and place in an oblong, microproof baking dish. Make a depression in top of loaf. Pour remaining tomato sauce over top of meat.

Cook, uncovered on 70 (roast) for 25 to 30 minutes, or until center is cooked.

Cover meat and let stand about 10 minutes before serving. Alternate Method: If using temperature probe, insert in center of meatloaf. Cook on 70 (roast) set at 140 degrees. Cover and let stand 5 to 10 minutes before serving. 6 servings.