01 -
Preheat oven to 175°C with a rack positioned in the center. Pat steak dry thoroughly and set on a large baking sheet. Season both sides evenly with salt and black pepper.
02 -
Heat half the oil in a large metal pan over medium-high heat. Place steak presentation side down and sear without moving until deeply browned, about 2 to 3 minutes.
03 -
Turn steak using tongs and continue to sear the second side until well browned, 1 to 2 minutes. Sear the fat-cap by holding steak on its edge, browning for approximately 1 minute.
04 -
Position steak presentation side up in pan. Add butter and smashed garlic. Spoon melted butter over steak continuously until butter is frothy and steak appears glossy, 1 to 2 minutes.
05 -
Transfer steak back to baking sheet. Roast in preheated oven until an instant-read thermometer registers 52°C for medium-rare, 6 to 10 minutes.
06 -
Move steak to a cutting board and allow to rest for 5 minutes to retain juices before slicing.
07 -
Pour pan liquids into a heatproof container to cool; reserve crushed garlic. Do not clean pan.
08 -
Return pan to medium heat and add remaining oil with finely chopped garlic. Stir until fragrant and just starting to turn golden, 30 seconds to 1 minute.
09 -
Pour in bourbon, scraping up browned bits from pan. Cook until bourbon is reduced by half, 1 to 2 minutes.
10 -
Add chicken broth, heavy cream, and reserved garlic. Simmer, stirring often, until sauce reduces and coats the back of a spoon in a thin layer, about 5 to 8 minutes. Adjust seasoning with salt if needed. Remove from heat and keep warm.
11 -
Slice steak thinly against the grain. Arrange on serving platter, spoon sauce over, and finish with additional black pepper if desired.