Darkorpse 0. Not sure if we're thinking of the same waxy shine, but to me that's normally a bad sign and an indicator of heat stress. If a leaf is shiny, it is reflecting more light than necessary, and will lower the rate it can absorb light at and negatively affect it's health.
1 PREHEAT oven to 250F. Place steaks on a rack over a baking sheet. 2  Rub with 1 tbsp oil and season with salt and pepper. 3  Roast steaks in the centre of the oven for about 20 minutes for medium-rare. 4  Remove from oven.HEAT oil in a medium skillet over high heat. Add steaks and sear until deep brown and crisp, about 3 minutes a side. Hold the steak on their sides and cook the edges for 1 min per side.Remove to rack and let rest for 10 min.oast steaks in the centre of the oven for about 20 minutes for medium-rare. Remove from oven. HEAT oil in a medium skillet over high heat. Add steaks and sear until deep brown and crisp, about 3 minutes a side.
Place the flank steak in a large, plastic resealable bag. In a 2-cup measuring cup combine the remaining ingredients. Pour the marinade mixture into the bag with the steak, seal and marinate in the refrigerator at least 4 hours and up to 12 hours in advance. Preheat a gas or charcoal grill.