Clean the steak by trimming off any large fatty pieces and cut into smaller sections. Coat with olive oil and season with Dad's Taco seasoning Set to the side.
Dice the jalapeno, red onion, roma tomato and cilantro. Set to the side.
Preheat the grill to 400 degrees and set for direct heat. Grill the seasoned skirt steak 2 minutes per side or until the internal temperature reaches 125-130 degrees.
Remove the skirt steak from the grill and let it rest for 10 minutes.
While the steak is resting, in a saucepan over medium heat, melt the butter and add the flour. Cook for a minute, constantly stirring to cook out the flour taste.
Next, add milk and whisk everything together. Start adding in the shredded cheese a handful at a time. Whisk to melt the cheese and mix it in the milk. Continue until all the cheese is melted and your sauce has a creamy consistency. Be sure to do this over low heat or your sauce will break.
Cut the steak into strips and then into bite size pieces.
Assemble the steak nachos by laying out the tortilla chips. Add the cheese sauce, the diced steak and all the veggies. Top it all off with some Mexican crema or sour cream, add freshly chopped cilantro and enjoy!
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Notes
Select outside skirt steak over inside. It’s more tender with stronger beef flavors.
Cubing the skirt steak will make it easier to scoop with a nacho chip and less chewy.
When making you own cheese sauce, make sure to make the roux first. This will help thicken the sauce.
Use soft cheeses to melt into your cheesy nacho sauce. Mix different cheese types to get a balanced flavor. Cheddar, Colby Jack, Pepper Jack, Monterey Jack, Mozzarella, etc..