Basil Chicken Hash

Name: Basil Chicken Hash
Ingredients: 2 whole (4 split) chicken breasts, bone-in, skin-on; 16 basil leaves; Olive Oil; Kosher salt and freshly ground black pepper; 6 tablespoons unsalted butter, divided; 2 pounds boiling potatoes, peeled and large diced; 2 red onions, chopped; 2 red bell peppers, large diced; 3 garlic cloves, minced; 2 teaspoons fresh thyme leaves; 1 teaspoon paprika; 1 tablespoon tomato paste; 4 minced scallions, white and green parts; 1/4 cup chopped fresh leaf parsley; Sour cream, Cheddar and sliced lemons, for serving