Pat dry beef and then rub it with oil. Add salt, pepper, garlic powder, paprika, and handful of dried rosemary. Mix and rub until even. Let beef sit outside for a few hours to be at the room temperature.
Preheat oven to 450 °F (230 °C).
Cut onion into 4 flat even pieces, oil each, and place them on the bottom of the roasting pan. Place beef on top of the onion slices.
Cook uncovered in over at 450 °F (230 °C) for about 45 minutes (check meat temperature to be sure). Leave it to rest for 10 minutes.
|2 lb||London broil beef|
|12 g||Salt||6 g/lb (1 tsp/lb)|
|3 g||Black pepper||1.5 g/lb (⅓ tsp/lb)|
|3 g||Garlic powder||1.5 g/lb (½ tsp/lb)|
|2 g||Paprika||1 g/lb (¼ tsp/lb)|
- Medium: 150 °F (before rest); 160 °F (rested)
- Medium-rare: 135 °F (before rest); 145 °F (rested)
This recipe give you beef aimed more to the medium side.