Ingredients
Equipment
Method
- Prepare your ingredients: Grate the cheddar cheese from the block. Do not use pre-shredded cheese.
- In a small saucepan over medium heat, melt the butter completely.
- Add the flour to the melted butter and whisk continuously for 1-2 minutes to cook out the raw flour taste (creating a roux).
- Slowly pour in the milk while whisking constantly to prevent lumps from forming.
- Continue to cook and whisk until the mixture thickens and coats the back of a spoon (about 2-3 minutes).
- Reduce heat to LOW. Stir in the mustard if using.
- Add the grated cheese a handful at a time, stirring gently until fully melted and glossy. Do not let the sauce boil once cheese is added.
- Pour immediately over hot french fries and garnish with a pinch of paprika if desired.
Notes
If the sauce becomes too thick upon standing, whisk in an extra splash of warm milk to loosen it up.