Beef Stir-Fry

Ingredients (4 Servings): 600g skirt steak, cut into strips Salt and freshly ground pepper 1/4 cup low-sodium soy sauce 1 chile, seeded and finely chopped 2 teaspoons sugar 2 tablespoons freshly squeezed lime juice (1 to 2 limes) 2 tablespoons olive oil 2 cloves garlic, grated 1 bunch scallions, thinly sliced Half pack fresh mushrooms, sliced…