1.5 lbs sirloin steak tips or lean stew beef cut into small pieces*
1/2 large white onion chopped
3 cloves garlic minced
10 oz sliced mushrooms
1 1/4 cup beef broth**
1/4 cup coconut aminos or GF tamari soy sauce
1/4 cup red wine vinegar
1/2 tsp onion powder
1/2 tsp garlic powder
1/2 cup canned coconut milk or coconut cream
3 tbsp arrowroot starch***
2 tbsp water
Salt and pepper to taste