Easy Chicken with carrot

2 tablespoons olive oil 1 onion , diced 3 potatoes , peeled and cubed 3 carrots , peeled and cubed 2 cups leftover cubed roasted cooked chicken 1 (14 1/2[...]

1/2 cup white pearl onion (chopped, buy them frozen, it's so much easier) 1/2 cup baby carrots (sliced into pieces) 2 celery ribs (chopped into slices) 1/2[...]