Toast the bread lightly in a toaster or pan.
Mix mayonnaise, BBQ sauce, and mustard in a bowl.
Spread the sauce mix onto each toasted slice.
Heat butter in a skillet and warm the chicken.
Season the chicken with salt and pepper.
Layer lettuce, turkey, and tomato on the first slice.
Add warm chicken and bacon on the second slice.
Place cheddar cheese on top.
Stack the second slice onto the first.
Finish with the third bread slice.
Press gently and slice in half.
Serve warm and enjoy your Cowboy Club Sandwich Recipe.