Cajun Burger

Ingredients (19)

• 2 tablespoons paprika
• 2 tablespoons garlic powder
• 1 1/2 tablespoons oregano
• 1 tablespoon dried onion powder
• 2 1/2 teaspoons kosher salt
• 2 teaspoons dried thyme
• 2 teaspoons freshly ground black pepper
• 1 1/2 teaspoons cayenne pepper
• 1/2 cup mayonnaise
• 1 green onion, finely chopped
• 1 teaspoon Dijon mustard
• 1 teaspoon hot sauce (e.g., Frank's, Texas Pete, Tabasco)
• 1 teaspoon dill relish
• 3/4 teaspoon Cajun seasoning, or to taste
• 1 1/2 pounds ground beef (80/20 or 85/15)
• 1/3 cup finely minced onion
• 2 cloves garlic, pressed
• 1 1/2 teaspoons Cajun seasoning
• Sandwich buns, burger toppings, optional