Slow-roasted Turkey

Ingredients

• 2 teaspoons salt
• 2 teaspoons sweet paprika
• 2 teaspoons onion powder
• 1 ¾ teaspoons garlic powder
• 1 teaspoon dry mustard, ground
• 1 teaspoon dried sweet basil leaves
• 1 teaspoon dried thyme leaves
• ¾ teaspoons white pepper
• ½ teaspoon black pepper
• ½ teaspoon ground cayenne pepper
• 10 to 12-lb turkey
• 36 garlic cloves, peeled and halved
• 1 med onion, peeled, qtred, and separated
• 2 celery ribs, cut in half crosswise
• ½ lg green bell pepper, cut into 2