Turkey, Kale, and Cauliflower Soup

1 lb. ground turkey;

4 shallots, chopped;

3 carrots, sliced;

1 bell pepper, cut into pieces;

15 oz can diced tomatoes;

5 cups chicken stock;

1 ½ cup cauliflower, minced;

4 cups kale, ribs removed, leaves coarsely chopped;

2 tbsp. coconut oil;

Sea salt and freshly ground black pepper;