Famous Bloomin’ Onion (Crispy, Golden, and Irresistible Appetizer) - https://friedrecipes.com/

Ingredients

• 1 large colossal onion
• 1 cup all-purpose flour
• ½ cup cornstarch
• 1 tsp paprika
• 1 tsp garlic powder
• 1 tsp onion powder
• ½ tsp cayenne pepper
• 1 tsp salt
• ½ tsp black pepper
• 2 large eggs
• 1 cup buttermilk
• 4 cups vegetable oil
• ½ cup mayonnaise
• 2 tbsp ketchup
• 1 tbsp prepared horseradish
• ½ tsp paprika
• ½ tsp garlic powder
• Pinch of cayenne pepper