Jan's Chili Verde

1 lb. uncooked stew meat
1 (10 oz.) can beef broth
1 to 2 small cans diced green chilies
1 (14 oz) can stewed tomatoes drained
1 tsp cumin

Place all ingredients in crock-pot and cook on low 8 to 10 hours. Thicken with corn starch and serve on warm flour tortillas with cheese.