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Best Blackstone Steak Fajitas Recipe

Blackstone Steak Fajitas Recipe

Blackstone Steak Fajitas Are a Quick Healthy Dinner

Blackstone steak fajitas are a quick healthy dinner you can throw together on busy nights.  These steak fajitas are much better than what you’d find at a Mexican restaurant because you control the quality of ingredients.  Best of all, there are leftovers for work lunches!

This Blackstone steak fajitas recipe is so easy and delicious I make it a few times a month.  To warn you, this recipe makes a lot. Consider scaling the recipe back if you do not need leftovers and aren’t feeding an army.

Don’t Have a Blackstone?  No Problem!

If you don’t have a Blackstone, you can still make this recipe.  Use a cast-iron skillet, cook on a high temp and try not to stir too often.

Cast Iron Skillet

Customize Steak Fajitas Recipe For Your Family

This recipe is highly customizable.  If you prefer more meat, add more meat or if you are like me and prefer more veggies, then load up on veggies.  If you prefer chicken or shrimp to steak, then swap them out.  Remember to adjust cooking time for shrimp since it cooks so quickly.

I’m not a big fan of bell peppers, so I replace most bell peppers typically found in steak fajitas for some poblano or pasilla peppers.  I also try and keep the dish low carb, so I skip the flour tortillas (even though I LOVE tortillas, I love my pants fitting more).

Blackstone Steak Fajitas Ingredients

Here’s what you’ll need to make this fajitas recipe

Steak Fajitas + Marinade

  • Beef (chicken or shrimp)
  • Avocado oil or your favorite oil
  • Lime juice
  • Minced garlic
  • Chili powder
  • ground cumin
  • Pepper flakes
  • Black pepper
  • Salt

Veggies for Steak Fajitas

  • White onion
  • Bell pepper
  • Pasilla or poblano pepper
  • Zucchini
  • Roma tomatoes

How to Make Blackstone Steak Fajitas Recipe

The first step is to cut the steak into bite-sized pieces.  Now it’s time to mix the marinade ingredients into a large glass bowl.

Steak Fajitas Marinade Ingredients

Stir marinade to combine.

Beef Fajitas Marinade

Fold in the bite-sized pieces of steak.  The meat should look similar to below.  Of course, everyone cuts the steak differently, so as long as the pieces are bite-sized, you can’t go wrong.  My husband was hungry enough that he volunteered to cut the steak up for me.

Marinated Steak for Steak Fajitas

Now it’s time to cut the vegetables up while the steak is marinating in the delicious fajitas seasoning.

As you can see below, I used several pasilla peppers, one red bell pepper, 3-4 small yellow squash, and 2-3 small zucchinis from my garden.  One sliced onion is in the bottom of the bowl.

Put all the chopped veggies into one big bowl.

Chopped Vegetables for Steak Fajitas

Now it’s time to cut up the tomato.  I like to keep the tomato slices separately to add them at cooking.  I like for the tomatoes to be barely cooked.  If you want your tomatoes more cooked, you could add them to the big veggie bowl.  I think I used four Roma tomatoes for this steak fajitas dinner.

Sliced Tomaotes for Steak Fajitas Recipe

Cooking Blackstone Steak Fajitas

Turn on the Blackstone.  I turn all the burners on high, but if you prefer medium-high, that works too.  Spread a thin layer of avocado oil or your favorite cooking oil on the grill.

Pour the big veggie bowl on the heated Blackstone griddle when the grill is heated.  Spread the vegetables out into a thin layer.  THIS is what makes cooking on the Blackstone so wonderful.  Foods cook from the heat and do not sweat.  The juices you would typically see if you were cooking these fajitas in a skillet won’t exist on the Blackstone because the food isn’t sweating.

Splurge on a Blackstone Grill – It’s Worth it!

If you don’t have a Blackstone, I highly recommend buying one.  They are great to cook with outside when your kitchen is clean, and you don’t want a mess or when you don’t want to heat the house.  Also, the food tastes so wonderful cooked on a Blackstone. It’s like really great camping food.

If you think about it, cooking on a Blackstone is how restaurants cook, griddle style.  The clean-up is so easy too.

Best Way to Cook Fajita Meat and Veggi

Season the vegetables with salt, black pepper, and garlic powder.  Cook veggies until they are about halfway done.  Then push the veggies to one side of the Blackstone and turn down the heat on that side to low.

Add another light, thin layer of oil to the empty side of the Blackstone where you will be cooking the fajitas on the grill.

Cooking Steak Fajitas Meat on Blackstone Griddle

Dump the steak fajitas meat onto the grill and spread it out so that it doesn’t sweat.  Cook the steak for 2-3 minutes without stirring.  The goal here is to get that wonderful char on the meat.

This is what the steak looked like after I flipped it.

Blackstone Griddle Recipes Steak Fajitas

Continue cooking the steak fajitas meat.  Let the meat cook for several minutes before stirring.  Again we are looking for the CHAR.

When the meat is done to your liking, add the tomatoes and cook for a few minutes.  Flip the zucchini veggie mixture in the same area.

Add Tomatoes Health Cooking on Blackstone

When the tomatoes are done to your liking, combine the steak/tomatoes mixture with the zucchini veggie mixture—taste for seasoning.  You may have to add a little salt, black pepper, and garlic powder.

Easy Steak Fajitas Recipe

Blackstone Steak Fajitas Recipe Optional Additions

  • Avocados – At the time of this post, avocadoes cost $2.50 EACH.  I can’t go there as much as I love Avocados; I refuse to pay that price.
  • Tortillas – These steak fajitas taste excellent with the ingredients rolled up in a flour or corn tortilla.
  • Sour cream
  • Cheese – Crumbled Mexican cheese or shredded cheddar
  • Lettuce or Cabbage – Shredded
  • Lime – A squeeze of lime juice is always wonderful

Here’s an interesting read on the history of this wonderful meal – Fajitas.


What to Serve with Blackstone Steak Fajitas

Fajitas on Grill

Blackstone Steak Fajitas Recipe

Blackstone Steak Fajitas

Yield: 8 servings
Prep Time: 20 minutes
Cook Time: 15 minutes
Total Time: 35 minutes

The best steak fajitas made on the Blackstone grill at home. These steak fajitas are heathy and low carb If you skip the tortilla.


  • 2 pounds steak (sirloin or whatever you choose), cut Into bite-sized pieces

Stead Marinade

  • 4 tbsp avocado oil (or your favorite oil)
  • 3 tbsp lime juice, I am cheap and used the bottled type
  • 2 tea minced fresh garlic
  • 2 tea chili powder
  • 2 tea cumin powder
  • 1/2 tea pepper flakes
  • 2 tea black pepper
  • 2 tea salt

Steak Fajitas Veggies

  • 1 ea white onion, cut Into thick bite-sized pieces
  • 1 ea red or green bell pepper, cut Into thick bite-sized pieces
  • 4 ea pasilla or poblano peppers, seeded and cut Into bite-sized pieces
  • 6-8 ea small zucchini, I used both yellow and green
  • 4 ea Roma tomatoes, cut Into bite-sized wedges

Misc Other Ingredients

  • 3 tbsp oil , for oiling Blackstone
  • 3 dashes salt, for seasoning veggies while they cook
  • 3 dashes black pepper, for seasoning veggies while they cook
  • 3 dashes granualted garlic powder, for seasoning veggies while they cook


  1. Cut steak Into bite-sized pieces.
  2. Prepare marinade In large bowl. Stir to combine and add the steak pieces. Stir and let marinate for 30 minutes.
  3. While steak marinates In the delicious fajitas seasoning, prepare the veggies. Chopping them Into bite-sized pieces.
  4. Heat the Blackstone on high. Using the metal spatulas to spread a thin layer of oil on the griddle. When the Blackstone Is heated dump the veggies on the grill and spread Into a thin single layer.
  5. Cook the veggies 2-3 minutes WITHOUT stirring. While veggies cook season with salt, black pepper, and garlic powder.
  6. Flip veggies and cook anther 2-3 minutes or until the veggies are HALFWAY cooked.
  7. When the veggies are half way done, push them to one side of the Blackstone and turn DOWN the heat on that side to low.
  8. Add another thin layer of oil to the empty side where you will be cooking the fajita steak.
  9. Dump the steak on the grill and spread It out so It cooks In a single layer. Let the steak cook for 2-3 minutes WITHOUT stirring. The goal Is to get the meat to char but not burn.
  10. Flip the steak and repeat the cooking process until the meat Is done the way you like It.
  11. When the meat Is done, add the tomatoes to the meat side of the grille. Flip the veggies side and continue cooking on low.
  12. When tomatoes are the way you like, combine the veggies with the meat mixture. Taste for seasoing. You may have to add a little, salt, black pepper, or garlic powder.
  13. Serve with warm tortillas. Top with avocado, guacamole, cheese and or sour cream.
Nutrition Information
Yield 8 servings Serving Size 1 serving
Amount Per Serving Calories 472Total Fat 34gSaturated Fat 10gTrans Fat 0gUnsaturated Fat 21gCholesterol 110mgSodium 364mgCarbohydrates 10gNet Carbohydrates 7gFiber 3gSugar 4gProtein 32g

What is the best way to warm up steak fajitas?

blackstone steak fajitas recipe 1 scaled

The best way to warm up steak fajitas is in a non stick skillet. Warm faitas up on medium high heat so they warm up but don't necessary cook further. Avoid warming up in the microwave because microwave can make meat tough and dry.

What is the best way to cook fajita meat?

steak fajitas recipe scaled

The best way to cook Fajitas meat is on a griddle or grill like a Blackstone on high or medium high heat so you get a nice char. Be careful not to flip the fajitas meat too much, only flip every 2-3 minutes. Space the meat in a single layer so it doesn't sweat. You can also cook fajitas meat in a cast iron skillet on high or medium high heat.

*** This post contains Amazon affiliate links.

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Check Out My Web-Story for Blackstone Steak Fajitas

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