The Best Roast Chicken Recipe

Name: The Best Roast Chicken Recipe
Prep time: 20 min
Cook time: 1 h
Total time: 1 h 20 min
Cuisine: American
Ingredients: 1 Whole chicken (Approximately 1.3 kg whole chicken skin on ); 2 Tablespoon Oil; 1 Lemon; 3 Rosemary sprigs; 50 g Butter (Salted); 3 cloves Garlic (Chopped); 1 Table spoon Rosemary (Chopped); 1 Table spoon Parsley (Chopped); 1/2 teaspoon Salt; 1/4 teaspoon pepper (Black ); 2 Table spoon Oil; 1 Onion (Skin on cut into quarters ); 1 Head of Garlic (cut into two with skin on ); 1 Carrot (Cut into big chunks ); 1 Celery stalk (Cut into big chunks ); 1 tsp Cornflour; 3 Table spoon Water; 1/4 cup Chicken Stock