01 -
Combine olive oil, soy sauce, lime juice, and brown sugar in large bowl.
02 -
Place flank steak in marinade and coat thoroughly.
03 -
Marinate for minimum 30 minutes up to 2 hours.
04 -
Remove meat and pat dry with paper towels.
05 -
Season lightly with salt and pepper.
06 -
For grilling: Cook on medium-high heat 5 minutes per side.
07 -
For broiling: Cook under high broiler 5 minutes each side.
08 -
Check temperature - 130°F for medium-rare.
09 -
Let rest before slicing against grain.