01 - Peel the potatoes and cut into thick chips approximately ½ inch wide. Soak in cold water for 10 minutes, then drain and pat dry thoroughly.
02 - Heat vegetable oil in a deep fryer or heavy-bottomed pan to 340°F. Fry chips in batches for 4 to 5 minutes until soft but not browned. Remove and drain on paper towels.
03 - Increase oil temperature to 375°F. Fry chips again for 2 to 3 minutes until golden and crisp. Drain, season with sea salt, and keep warm.
04 - Pat steaks dry. Brush both sides with olive oil and season evenly with sea salt and freshly ground black pepper.
05 - Heat a heavy skillet or grill pan over high heat until very hot. Add steaks and sear for 2 to 3 minutes per side for medium-rare, adjusting time for desired doneness.
06 - In the last minute of cooking, add butter, thyme, and crushed garlic to the pan. Spoon melted butter over steaks repeatedly to baste.
07 - Remove steaks from heat, cover loosely with foil, and allow to rest for 5 minutes.
08 - Plate steaks alongside hot chips. Garnish with chopped parsley and serve with malt vinegar or steak sauce as desired.