Chicken with stock

1/4 cup olive oil 3 large carrots , cut into 1/2-inch dice 2 large onions , cut into 1/2-inch dice 1/8 cup garlic , minced 2 large poblano peppers, roasted[...]

2 tablespoons unsalted butter 1/2 cup yellow onion , sliced thin 1/2 cup celery , sliced thin 1/2 cup carrot , sliced thin 2 teaspoons pureed chipotle chiles[...]