Heat 1 tablespoon oil in large skillet or saucepan over medium-high heat. Add meat and salt; cook 5 minutes, stirring until browned on all sides. Remove from skillet; keep warm.
Add remaining 1 tablespoon oil and vegetables to skillet. Cook 5 minutes or until crisp-tender, stirring occasionally. Return meat to skillet; stir in broth. Bring to a boil. Reduce heat to medium-low; simmer 15 minutes, stirring occasionally.
Stir in tomato sauce; simmer 15 minutes more or until meat and vegetables are tender, stirring occasionally.