Moroccan Chicken and Couscous without butternut broth

1 tablespoon butter 1 tablespoon sunflower oil 4 chicken breasts (I used skinless breasts to reduce fat content) 2 onions , finely chopped 2 garlic cloves ,[...]

1 cinnamon stick , chopped in pieces 8 whole cloves 1 teaspoon cayenne 2 teaspoons cumin seeds 1 teaspoon fennel seed 1 teaspoon coriander seed 1 tablespoon[...]

8 chicken thighs 2 teaspoons ground cumin salt fresh ground pepper 2 tablespoons extra-virgin olive oil 2 cups chicken stock 1/4 cup chopped mint , plus extra[...]