01 -
Combine balsamic vinegar, minced garlic, cranberry sauce, brown sugar, red pepper flakes, salt, and olive oil in a large resealable bag suitable for the roast.
02 -
Pierce the ribeye roast thoroughly with a knife and place it inside the marinade bag. Seal the bag and massage to distribute the marinade evenly. Refrigerate overnight, turning occasionally.
03 -
Set the oven temperature to 175°C (350°F).
04 -
Remove the roast from the marinade and pat dry with paper towels to remove excess moisture.
05 -
Heat vegetable oil in a large cast iron skillet over medium heat. Sear the roast on all sides until a deep golden brown crust forms.
06 -
Add reserved marinade, beef broth, fresh cranberries, and thyme to the skillet. Transfer the skillet to the preheated oven and roast for approximately 20 minutes per 450 grams of meat or until a meat thermometer registers 60°C for medium-rare doneness.
07 -
Remove the roast from the oven and allow it to rest for 15 minutes before slicing. Serve with the pan sauce.