Ingredient:

• 3 large onions, finely chopped
• 3 medium sweet red peppers, finely chopped
• 1/3 cup butter, cubed
• 18 medium garlic cloves, minced, divided
• 1 tablespoon celery salt
• 1 tablespoon coarsely ground pepper
• 3 pounds russet potatoes, peeled and shredded
• 1-1/2 cups grated Parmesan cheese
• 1-1/2 cups shredded cheddar cheese
• 1 cup shredded part-skim mozzarella cheese
• 1 cup all-purpose flour
• 3/4 cup sour cream
• Canola oil for frying
• Minced fresh parsley