Easy Beef Stew for the Slow Cooker Recipe

1 pound cubed beef stew meat

2 cups water

1 (.75 ounce) packet dry brown gravy mix

1 (1.5 ounce) package dry beef stew seasoning mix

1 tablespoon Worcestershire sauce

1 (14.5 ounce) can stewed tomatoes

chopped

½ (16 ounce) package baby carrots

or to taste

3 potatoes

cut into chunks

1 stalk celery

cut into chunks

or to taste

¼ onion

chopped