how long to pan-fry burgers
- medium-rare (warm, red center): 6 minutes, or 130 to 135deg
- medium (warm, pink center): 7 to 8 minutes, or 140 to 145deg
- medium-well (hot, slightly pink center): 9 minutes, or 150 to 155deg
- well done (brown all the way through): 10 minutes, or 160 to 165deg