Mustard Cheese Sauce
http://megan-deliciousdishings.blogspot.com/2011/12/soft-pretzel-bites-with-cheddar-mustard.html

1 tablespoon butter
1 tablespoon flour
2/3 cup milk
6 ounces cheddar, shredded
2 teaspoons Dijon mustard

Melt butter in small saucepan set over medium heat. Stir in flour, and cook for 1 minute.

Slowly stir in milk by the tablespoonful, making sure it is fully absorbed by the flour mixture before stirring in more.

Once all the milk has been added, stir in the cheese.
