Chicken Hash

Name: Chicken Hash
Ingredients: 1 1⁄2 lb. Yukon gold potatoes, cut into 1″ pieces; 1⁄2 cup olive oil; Kosher salt and freshly ground black pepper, to taste; 1 lb. boneless, skinless chicken thighs; 8 oz. button mushrooms, cleaned and quartered; 1 small yellow onion, thinly sliced; 1 tbsp. thyme leaves, chopped; 1⁄2 tsp. crushed red chile flakes; 4 cloves garlic, thinly sliced; 1⁄2 cup chicken stock; 2 tbsp. finely chopped parsley; Poached eggs, for serving (optional)