Pound chicken portion into ¼" thick pieces and place in a hotel pan.
In a bowl, mix buttermilk and Cholula. Whisk well to combine. Pour over chicken and toss to coat. Refrigerate for at least 2 hours or up to overnight.
In another bowl, combine flour and Rotisserie Seasoning. Hold in hotel pan for service.
For service, set fryer to 350°F and waffle iron with multiple small molds to medium-high.
For each serving, fill 4 waffle molds with the appropriate amount of batter, close, turn and set timer.
Remove 2 pieces of chicken and let excess buttermilk mixture drain off. Place chicken in seasoned flour. Squeeze the flour mixture into the chicken to create a thicker coating with ridges and bumps.
Fry chicken until golden brown and the internal temperature reaches 165°F.
Plate 2 waffles and brush with 1/2 tablespoon butter. Top each with a piece of fried chicken and drizzle each with 1/2 tablespoon chipotle maple syrup.
Serve sliders open-faced with top waffles alongside.
