Roast Chicken without petals salsa

1/4 cup drippings from a roast chicken 2 1/2 tablespoons all-purpose flour 2 cups cold chicken stock, or more if needed salt and ground black pepper to taste[...]

2 chicken breast halves (with skin and bone-in) 1/4 cup white wine 1 1/2 teaspoons poultry seasoning or 1 1/2 teaspoons herbes de provence 1 -2 tablespoon[...]

1 whole chicken 1 lemon , cut up 1/4 cup whole fresh rosemary 1 -3 whole garlic clove , to taste 1 teaspoon salt 3 -4 tablespoons softened butter 1/2 cup soft[...]