Hotlanta Style Chicken and Waffle Sandwiches with Spicy Maple Mayonnaise

Name: Hotlanta Style Chicken and Waffle Sandwiches with Spicy Maple Mayonnaise
Ingredients: 3/4 cup all-purpose flour; 1/4 cup cornstarch; 1/2 teaspoon baking powder; 1/4 teaspoon baking soda; 1/2 teaspoon salt; 1 cup buttermilk; 1/3 cup peanut oil; 1 egg; 1 teaspoon sugar; Peanut oil, for frying; 1/2 cup all-purpose flour; 1 cup panko bread crumbs; 3/4 teaspoon Cajun seasoning; 10 dashes hot sauce; 1 egg, beaten; 1 tablespoon water; 12 chicken tenderloins; Salt and freshly ground black pepper; 1 cup mayonnaise; 1/4 cup pure maple syrup; 1/2 teaspoon mustard powder; 1 teaspoon horseradish; 12 slices applewood smoked bacon, cooked until crispy and drained; 8 slices sharp Cheddar