Serve hot for the best melty, gooey experience.
Store leftover sauce in the fridge for up to 3 days; reheat gently before serving.
Variations
Swap in smoked cheddar for a richer flavor.
Use low-fat milk in the cheese sauce for a lighter version.
Substitute honey or maple syrup for the brown sugar to reduce sugar content.
FAQ
Q: Can I make this ahead of time?
A: You can prep the cheese sauce and roast beef separately, but assemble just before serving to keep the buns from getting soggy.
Q: Can I use pre-cooked roast beef?
A: Yes! Just warm gently in broth to maintain tenderness.
Q: Is there a gluten-free version?
A: Use gluten-free flour for the cheese sauce and gluten-free buns.
