Grilled Flat Iron Tacos with Sweet Pickled Onions

Grilled Flat Iron Tacos with Sweet Pickled Onions

Those of you have have been reading along for a while know that I rarely post recipes for beef.  The reason for this is simple: we only eat meat if we feel confident about the way the animals have been raised, and that rules out the vast majority of meat produced in this country.  That’s why I was so delighted to have some discussions about organic beef production with Rocky Mountain Organic Beef and even happier to receive some samples of their certified organic, grass-fed beef.  Their animals are all raised entirely on pasture in a sustainable and humane way.  It is so worth it to seek out producers who are doing things the right way, and I am happy to feature some recipes I have developed using their beef–here is the first one, for a simple and delicious grilled taco:

For this I did a light rub on a Flat Iron steak, which is one of my favorite cuts for grilling.  I didn’t want to overpower the flavor of the meat so I sprinkled on some sea salt, a little smoked paprika, and some coarsely ground black pepper.  It’s a good idea to pull a steak out of the fridge for a while to take the chill off before you grill it up, and I like to let a rub soak in for a good 20 minutes to let the flavors meld.  My preference for grilling is always medium rare, but this cut will still be tender if you let it go a little longer (not too much longer–if you are going to eat a nice piece of steak, overcooking it is a terrible idea…just saying).

I let the steak rest for ten minutes and then sliced it across the grain, and piled it on warm tortillas with some sweet pickled onions and some fresh cilantro.  That is really all you need for a great taco–those grilled peppers on the side are nice, too, if you want to add a little heat.  Here is the recipe:

Grilled Flat Iron Tacos with Sweet Pickled Onions
1/2 large, sweet white onion, peeled and thinly sliced
1 tablespoon honey
1/3 cup rice wine vinegar
3 tablespoons water
1/4 teaspoon salt
2 8-ounce Rocky Mountain Organic Beef Flat Iron steaks
salt and coarsely ground black pepper, to taste
1/2 teaspoon smoked paprika
fresh cilantro
warm corn tortillas
grilled hot peppers, if desired

In a medium mixing bowl, stir together the onions, honey, vinegar, water, and salt.  Let the mixture marinate for 20-30 minutes.  Drain well before serving.

Rub the steaks with salt, black pepper, and smoked paprika, and let them rest for 15-20 minutes to absorb the flavors.  Grill over medium-high heat, turning once, until medium rare.  Let the meat rest for ten minutes before slicing against the grain.

To serve, pile sliced steak, onions, and cilantro on the warm tortillas, and eat immediately.  Serve with some grilled hot peppers, if desired.

These were excellent, with great full flavor and a tender texture.   The lightly pickled onions add a nice crunch and mild sweetness that complements the beef.  Simple and delicious.

Legal stuff: I received free samples from Rocky Mountain Organic Beef but was not otherwise compensated for this post, and all opinions are honest and solely my own.  When I receive a review product that I cannot heartily endorse, I do not bother to post anything about that product.  I have to add here that we also tried a sample of the Honey Beef Jerky and it was honestly the best I have eaten–a great texture that does not have that teeth-breaking quality of so much jerky, and a lovely balance of sweet and salt.  We loved it.

Thanks for reading,


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  1. This looks amazing! I found your blog from Patricia's. Nice to meet you!

  2. Miss @ Miss in the Kitchen

    That looks so delicious. I love any kind of taco and the pickled onions are a great addition.

  3. Beth Jackson Klosterboer

    After watching the movie Temple Grandin, I have a totally new appreciation for the lives of cows. Good for you, that you only eat beef from producers who treat their animals humanely. Your tacos look delish!

  4. Love the beefy tacos 🙂

  5. Why I look at these things before I eat breakfast is beyond me. Spectacular looking tacos and I love your stance on the meat industry. 🙂

  6. Oh my gosh, that looks fantastic. I'm all about simple seasonings so the flavor of the meat can shine. If you have to use anything more, you've got a poor cut of beef.

  7. Beth, I got to see Temple Grandin speak and I am a fan of her books–very enlightening, for sure. And thank you all!

  8. It was nice to meet you at Lydia's blog. I thought I'd stop over and check things out. I'm a new follower. Any blog having to do with food gets my attention. 🙂

  9. This looks so good. I love that you kept it super simple so you could enjoy the flavor of the beef. I'm going to have to give the onions and cilantro a try on my next taco.

  10. Oh man that looks delicious!!

  11. Your tacos are absolutely mouthwatering!

  12. Those tacos look so fabulous! Simply prepared, so the flavors shine through … 🙂

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