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Grilled Round Steak Fajitas

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Steak fajitas are easy to make at home and better than any restaurant!

My family is not all that big on Tex-Mex cuisine but they do love fajitas. It was one night when we were at a major restaurant chain, who shall remain unnamed, that we were saying the fajitas just weren’t good any longer.

My youngest said, “Mom, you could do better!” Well, I took that as a challenge and these grilled round steak fajitas were born.

Much to my family’s delight, I might add. Dining in is often much cheaper than going out and this recipe is no different.

Onions and peppers for fajitas.

I’ve taken an unconventional route to make these fajitas. You certainly could slice the round steak into strips and stir-fry it but I thought by grilling the meat, there would be more flavor.

Well, I was right! I choose orange and yellow peppers for color but also because I find green peppers to be taste a bit bitter. If you enjoy green peppers, by all means, use them!

When you’re cooking the onions and peppers, patience is key. Don’t rush the process because they can go from perfect to overdone in a matter of seconds.

This post on How to Caramelize Onions is a wealth of information. It applies to the peppers too.

Save time prepping the vegetables in advance. The onions should be transparent and the peppers soft.

Overhead photo of grilled round steak fajitas with onions and peppers on a flour tortilla.

 If you’re looking for a delicious dessert to serve after the fajitas, Mom’s peanut butter pie with chocolate crust is a delicious option.

Steak fajitas are easy to make at home and better than any restaurant!

Steak fajitas are easy to make at home and better than any restaurant!

Steak Fajitas

Yield: 8
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes

Steak fajitas are a family favorite. It's easy to make this restaurant dish at home!


  • 1 pound top round steak
  • 1 red pepper seeded and sliced into strips
  • 1 orange pepper seeded and sliced into strips
  • 1 medium onion sliced into half moons
  • 2 tablespoons butter
  • Salt pepper and garlic powder, to taste
  • 8 flour tortillas
  • Sour cream
  • Shredded cheese
  • Other desired toppings, such as salsa, guacamole, etc.


  1. In a large skillet, melt butter over medium heat. Add onions and peppers. Sauté over medium heat until soft.
  2. While onion and pepper mixture cook, season top round steak with salt, pepper and garlic powder and grill until medium rare to medium. Do not overcook because it will cook a bit more when you slice it and combine with the onions and peppers.
  3. Once steak is done, cover with foil and let rest at least 10 minutes. Slice steak into ¼ inch strips and add to pan with the onions and peppers. Stir to combine and heat through.
  4. When ready to serve, warm flour tortillas in microwave. Wrap 2 tortillas in in a paper towel and heat in microwave about 10 seconds, until warm. Build your fajita by adding a sour cream smear to the tortilla, add steak mixture and cheese.
Nutrition Information:

Amount Per Serving: Trans Fat: 0g

Nutrition information automatically calculated. Recipe author has not checked the calculations.

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