01 -
Pull roast from fridge 2 hours before roasting. Dry it off and coat all sides with salt, including ribs. Arrange ribs on bottom with fat cap on top in roasting pan.
02 -
Combine cream, sour cream, horseradish, black pepper, salt, and cayenne in a mixing bowl. Stir until creamy. Cover and chill till serving.
03 -
Put rack in middle of oven and heat to 500°F.
04 -
Roast at 500°F for 15 minutes. Be prepared for some smoke—turn fans on and crack windows if needed.
05 -
Turn oven to 325°F and roast for about 13 minutes per pound (1.5-2 hours total). Cook until inside reaches 115°F for rare or 120°F to 130°F for medium.
06 -
Take roast out of oven, move to cutting board, cover lightly with foil, and let it rest for 30 minutes.
07 -
Take off twine or separate meat from bones. Cut into 1/2-inch slices. Pair with horseradish sauce to serve.