Place a small saucepan over medium heat.
Add butter and flour, whisking to combine. Cook for 2-3 minutes, whisking frequently.
Whisk in milk and chicken stock and allow to just come up to a boil before removing from heat.
If sauce is too thick for your liking, add more chicken stock.
Whisk in dijon mustard, honey, and parmesan cheese. Season with salt and black pepper to taste.
Place into a small jar or serving dish and refrigerate until ready to use as desired.
Reheat in saucepan or microwave before serving.