Skirt steak is delicious in fajitas, but you can also use rump steak, flank steak, or thinly sliced beef tenderloin. In fact, pretty much whatever meat you have in the house can be made to work in a pinch. They're also great with smoked shrimp, too. To make a quick steak, check out this recipe for air fryer filet mignon. With this onions and peppers side dish, plus this jalapeno ranch dressing, you’ve got a delicious meal.