Crockpot Broccoli Beef

1 1/2 lbs. round steak -- boneless, cubed
6 ounces sliced mushrooms
1/2 cup chopped onion
1/2 cup fat-free beef broth
3 Tbsp. teriyaki sauce
2 cups frozen broccoli florets, defrosted
1 Tbsp. cornstarch
2 Tbsp. water

Combine beef, mushrooms, onion, broth and teriyaki sauce in crockpot. Cover; cook on LOW for 8-10 hours. Dissolve cornstarch in 2 Tbsp. of water 35-40 minutes before serving.Stir into beef mixture. Add broccoli; stir. Cover and cook 35-40 minutes more until broccoli is tender. Serve over rice

I found these recipes on prevention..com in a blog so I thought I would share with everyone as well