Lighter Crockpot Swedish Meatballs

Name: Lighter Crockpot Swedish Meatballs
Prep time: 20 min
Cook time: 6 h
Total time: 6 h 20 min
Cuisine: European
Ingredients: Cooking spray; 1 tbsp butter; 1 (254g) package mushrooms, sliced; 1 cup beef broth; 4 cloves garlic minced; 1 tbsp Worcestershire sauce; 1/2 tsp each salt & pepper; 1 tbsp water; 2 tbsp cornstarch; 1/3 cup heavy cream; Chopped fresh parsley, for garnish; 1 (354g) package egg noodles; 1 head broccoli, chopped into florets; 1 lb extra-lean ground beef; 1/4 cup breadcrumbs; 1 egg; 1 yellow onion, grated; 1 tsp garlic powder; 1 tsp salt; 1/2 tsp nutmeg