Helpful Questions
If you don't have Dijon mustard, you can use regular yellow mustard or also grainy mustard, which will give a different flavor.
You can use gluten-free croissants as a substitute for regular ones. They can be found in specialty stores or online.
If you don't like Swiss cheese, try cheddar, gouda, or mozzarella. Each will impart a different flavor to the croissant.
Of course, you can add vegetables like spinach or thinly sliced tomatoes to add freshness and extra flavor.
















