Beef and Oyster Mushroom Ragout

Ingredients

3 tbsp organic avocado oil, divided

4 tbsp shallots, chopped

3 stalks celery, chopped

2 carrots, peeled and chopped

2 tsp gluten-free all-purpose flour

2 cloves garlic, minced

1 lb grass-fed beef chuck steak or braising meat, cut into small cubes

1 tbsp tomato paste

1 lb oyster mushrooms, sliced

2 tsp fresh rosemary, chopped

2 tsp fresh thyme, chopped

1/4 tsp ground black pepper

1 tsp sea salt

2 tbsp sherry vinegar

2 cups swiss chard, chopped

2 cups beef stock