To make the Secret Sauce Patty Melt Bliss gluten-free. Just use gluten-free rye bread. Or another gluten-free bread you like. Make sure it’s sturdy enough. For the juicy patty. And sauce. Also, check that your Worcestershire sauce. And mustard. Are gluten-free. As some versions contain gluten. This way. Everyone can enjoy this delicious sandwich. Without any gluten concerns.