To make this Classic Sloppy Joe Grilled Cheese gluten-free. You’ll need to substitute a few key ingredients. First, use gluten-free bread. Instead of Texas toast. There are many delicious gluten-free bread options available. That toast up beautifully. Make sure your mustard, ketchup, and Worcestershire sauce are gluten-free. As some brands may contain gluten. Check the labels carefully. The ground beef mixture and cheese. Are naturally gluten-free. So no worries there! This way, you can enjoy the same savory, cheesy goodness. Without any gluten. Your gluten-free version will be just as satisfying. And delicious as the original.