Savory Chicken Hash

Name: Savory Chicken Hash
Ingredients: 4 Yukon potatoes, peeled and diced; 2 tablespoons butter; 1 medium onion, finely chopped; 1 red bell pepper, diced; 1 yellow bell pepper, diced; 1 tablespoon minced garlic; 1/2 teaspoon cayenne; 1 tablespoon salt; 1 tablespoon coarsely ground black pepper; 1 tablespoon smoked paprika; 1 teaspoon chopped fresh oregano leaves; 1 (3-pound) store-bought rotisserie chicken, meat removed and diced; 1/4 cup chicken stock; 2 tablespoons chopped fresh parsley leaves; 1/2 lemon, juiced