1 cup chicken stock
2 tbsp. canola oil
1 lemon, halved
1 (4-pound) whole roasting chicken
1/2 tsp. garlic powder
1 tsp. onion powder
1 tsp. dried oregano
1 1/2 tsp. paprika
2 tsp. dried thyme
1 tsp. freshly ground black pepper
2 tsp. kosher salt