My Favorite Roasted Chicken

Ingredients

• 1 whole chicken
• 1 tsp salt
• 1/2 tsp paprika
• 1/2 tsp garlic powder
• 1/2 tsp onion powder
• 1/3 butter (softened)
• 1 stalk celery (roughly chopped)
• 1/2 onion (roughly chopped)