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.
Combine the mustard, onion powder, garlic powder, salt, cayenne and allspice in a small bowl. Rub the flank steak all over with the mix and let sit for 10 minutes.Put the steak on the hot grill and cook 5 minutes per side. Remove and let rest 10 minutes before slicing. Recipe courtesy of Dan Smith and Steve McDonagh.ub the flank steak all over with the mix and let sit for 10 minutes. Put the steak on the hot grill and cook 5 minutes per side. Remove and let rest 10 minutes before slicing. Recipe courtesy of Dan Smith and Steve McDonagh.