Moroccan Chicken with butter

1 tablespoon olive oil 4 boneless skinless chicken breasts 1 onion , chopped 1/2 lb butternut squash, peeled, seeded, cut into 3/4-inch pieces 1/4 teaspoon[...]

4 chicken breasts , with bone 200 g yellow onions 15 g chopped ginger 15 g chopped garlic 2 tablespoons chopped fresh parsley 1 teaspoon cayenne pepper 1/2[...]