Chicken and Corn Pie

Ingredients:
2 chicken breasts, bone-out, skinned
1 tablespoon olive oil
Kosher salt
Freshly ground black pepper
1 yellow onion, chopped
2 cloves garlic, minced
2 cups medium-diced carrots, blanched for 2 minutes
1/2 cup chopped broccoli florets
1/2 cup chopped cauliflower florets
1/2 cup chopped carrots
2 cups low-sodium or homemade chicken stock