Ingredients: 2- 18 oz packages frozen angus meatballs 3/4 onion, thinly sliced  2 tbsp olive oil  3 tbsp butter 1 packet brown gravy mix 32 oz beef broth  2 tbsp cornstarch 1/4 c warm water 1-2 tbsp Worcestershire sauce  2-3 tbsp ketchup (I used sugar free spicy primal) 2 tsp garlic powder 1 tsp onion…