Steak Fajita Quesadillas Maybe this sounds like an odd recipe but when you taste it, it's identical to fajita you get at a Mexican-style restaurant. The sautéed veggies are incredible and as always, quesadillas are my favourite go-to for leftover steak :) Serves 4-6 1 tbsp Extra virgin olive oil, divided 227 g white button mushrooms, ...