Gather supplies. Go ahead and mix together ketchup and curry powder. There is not a set ratio, just however much flavor you want.
Cut up potatoes into fry shape
Set fryer to 250-300 degrees and cook fries for around 3 minutes. This is just to get them slightly cooked
Place fries on paper towels. Let them get to room temperature before frying the 2nd time for best results
Set fryer for 375
Cook for 3-4 minutes or until they look good
Place into a bowl and add the truffle oil and salt. Just give it a few tosses
Serve with ketchup mixture and enjoy