1	lb.	extra-lean ground beef
1/2	c.	chopped onion (about 1 medium)
2	c.	beef broth
2/3	c.	uncooked barley
2	tsp.	chopped fresh oregano (1/2 tsp. if using dried)
1/4	tsp.	salt
1/4	tsp.	pepper
1	can	whole tomatoes, undrained (16 oz.)
1	can	sliced water chestnuts, undrained (8 oz.)
1	pkg.	frozen mixed vegetables (10 oz.)

Cook ground beef and onion in skillet over medium heat, stirring occasionally, until beef is brown; drain. Mix beef mixture and remaining ingredients, except frozen mixed vegetables, and place in Crockery Pot; break up tomatoes or use diced tomatoes. Cover and cook on low 2 hours. Stir in mixed vegetables. Cover and cook on low 3 more hours or until barley is done.