Blackstone Chicken Fajitas Recipe

I make a lot of quick dinners on my flat top, but chicken fajitas somehow always end up back in the rotation. They cook fast, they smell incredible while they’re sizzling, and nobody at the table complains about them. That alone is a win.

The first time I tried making fajitas on the Blackstone I actually expected them to turn out just okay. Nothing special. But something about that big hot griddle changes the whole thing. The chicken gets those slightly crispy edges while the peppers and onions soften just enough without turning mushy.

And honestly, it’s the kind of dinner that feels flexible. Some nights I pile everything into warm tortillas. Other nights I throw the chicken and veggies over rice and call it a fajita bowl. Same recipe, totally different mood.

I’ve also learned that fajitas are one of those meals that reward a little prep work. Not complicated prep. Just a few minutes mixing spices, slicing peppers, and letting the chicken sit in a quick marinade. After that, the cooking part barely takes any time.

That’s probably why I rely on this recipe during busy weeks. When everyone’s hungry and patience is running low, this one saves the day more often than I’d like to admit.

Ingredients I Used for the Recipe

• 1/4 cup + 1 tablespoon extra virgin olive oil – most of it goes into the marinade, and a little extra helps keep things from sticking to the hot griddle.
• 2 tablespoons lime juice – adds brightness and wakes up all the spices.
• 3 teaspoons chili powder – the backbone of the fajita flavor.
• 3 teaspoons ground cumin – warm and earthy, makes the chicken taste deeper.
• 1 1/2 teaspoons kosher salt – brings everything together.
• 1 teaspoon paprika – I use smoked paprika when I have it for extra flavor.
• 1 teaspoon onion powder – subtle savory boost.
• 1 teaspoon garlic powder – keeps the marinade simple but flavorful.
• 1 teaspoon dried oregano – adds that classic fajita seasoning note.
• 1/4 teaspoon black pepper – just a little bite.
• 1/8 teaspoon cayenne pepper – optional heat, but I like a tiny kick.
• 6 to 8 boneless skinless chicken thighs – juicy and forgiving on the griddle.
• 1/2 red onion, sliced – slightly sweet once cooked.
• 1/2 yellow onion, sliced – balances the red onion.
• 3 bell peppers, sliced – I usually mix red, green, and orange for color.
• 1 tablespoon fresh garlic, minced – because fajitas without garlic feel wrong.
• 2 tablespoons fajita seasoning – tossed with the vegetables for extra flavor.
• 3/4 cup plain Greek yogurt – the creamy base for the sauce.
• 1/4 cup mayo – smooths out the sauce and adds richness.
• 2 to 4 tablespoons lime juice – for the cilantro lime sauce.
• 1 tablespoon light olive oil – helps the sauce blend nicely.
• Zest of 1 lime – bright citrus flavor.
• 1/4 cup fresh cilantro, chopped – fresh and slightly herby.
• 1/4 teaspoon salt and 1/8 teaspoon pepper – for seasoning the sauce.
• Warm tortillas – flour or corn, whatever you like.
• Lime wedges, fresh cilantro, sour cream, or guacamole – optional toppings that make everything better.

How to make Blackstone Chicken Fajitas?

Step 1 – Mix the Marinade

I start by grabbing a small bowl and whisking together olive oil, lime juice, chili powder, cumin, paprika, onion powder, garlic powder, oregano, salt, pepper, and cayenne.

The mixture looks pretty simple, but once it hits the hot griddle later the smell is unreal. I pour the marinade over the chicken thighs in a bowl and toss them around so everything gets coated.

Then I just let them sit while I prep the rest. Even 10 or 15 minutes helps.

Step 2 – Slice the Veggies

Next I slice the bell peppers and onions into thin strips. Nothing fancy here. Just try to keep them roughly the same size so they cook evenly.

I toss them in a bowl with the minced garlic and fajita seasoning. Sometimes I add a tiny splash of olive oil too so the seasoning sticks better.

This bowl of peppers and onions always looks colorful enough to make me hungry already.

Step 3 – Blend the Cilantro Lime Sauce

This part takes about two minutes but makes the whole meal better.

I throw the Greek yogurt, mayo, lime juice, olive oil, lime zest, cilantro, salt, and pepper into a small blender or food processor. Blend until smooth.

The sauce ends up creamy, bright, and slightly tangy. I stick it in the fridge while everything else cooks.

Step 4 – Cook the Chicken on the Griddle

I heat the Blackstone to medium high and drizzle a little olive oil across the surface.

The chicken goes down once the griddle is hot. I let it cook about 3 to 4 minutes on one side before flipping. One mistake I used to make was flipping too early, which caused sticking.

Now I just leave it alone until it releases easily. Total cook time usually lands around 7 or 8 minutes.

Step 5 – Let the Chicken Rest and Slice

After the chicken finishes cooking, I move it to a cutting board and let it rest for a few minutes.

This part matters more than I realized at first. If I slice right away the juices run everywhere.

Once it rests, I cut the thighs into thin strips.

Step 6 – Cook the Fajita Veggies

While the chicken rests, I add another drizzle of oil to the griddle and dump the peppers and onions on.

I keep them moving with a spatula for a few minutes. Usually about 3 to 5 minutes total.

I like them soft but still slightly crisp. Mushy fajita veggies are a disappointment.

Step 7 – Build the Fajitas

Now the fun part.

I pile some peppers and onions onto a warm tortilla, add sliced chicken, then drizzle that cilantro lime sauce over the top.

A squeeze of lime and a few cilantro leaves finish it off. If I have guacamole around, it always finds its way onto the tortilla too.

My Favorite Ways to Serve These

The classic way is obviously wrapped in tortillas. Warm ones, preferably. Cold tortillas ruin the vibe a little.

But I also serve this fajita mixture over rice sometimes. The chicken, peppers, and sauce turn into a pretty great fajita bowl with almost zero extra effort.

Another thing I do when feeding a group is just put everything in the middle of the table. Chicken, veggies, tortillas, toppings. Everyone builds their own. It’s messy but fun.

And if leftovers exist, which doesn’t always happen, they reheat surprisingly well the next day.

Tips I Learned After Making These Way Too Many Times

Let the Chicken Sit on the Griddle

If the chicken sticks, it usually means it wasn’t ready to flip yet. I learned this the hard way after tearing apart a few thighs with my spatula.

Patience fixes it.

Chicken Thighs Work Better Than Breasts

I’ve made this with chicken breasts before. It works, but thighs stay juicier and are harder to overcook.

If I do use breasts, I slice them thinner before cooking.

Don’t Overcook the Peppers

Peppers should still have a little bite. If they cook too long they turn limp and lose that fresh flavor.

I keep the heat fairly high so they cook quickly.

Warm the Tortillas

This step sounds small, but it changes the whole meal.

I usually toss tortillas directly on the edge of the griddle for about 20 seconds per side. Warm tortillas hold everything better and taste way better.

Make Extra Sauce

I started doubling the cilantro lime sauce recently because people kept asking for more.

It’s also really good on leftover fajita bowls the next day.

Honestly, once you try this on the Blackstone a few times, it becomes one of those meals you barely need to think about. A quick marinade, hot griddle, pile of peppers, done. And somehow it still feels like something special every time.

Print Recipe

Blackstone Chicken Fajitas Recipe

Author: Kelsey Perez Cooking Method: Griddle Cuisine: Mexican Courses: Dinner, Lunch

Difficulty: easy Prep Time 20 mins Cook Time 15 mins Rest Time 5 mins Total Time 40 mins

Cooking Temp: 200  C Servings: 4 Estimated Cost: $ 28 Calories: 720

Best Season: Summer, Spring, Fall

Description

Our delicious Blackstone Chicken Fajitas are the absolute BEST chicken fajitas! They are packed with so much great flavor and cook so quickly on the flat top griddle. Definitely a family favorite recipe that we will continue to make for an easy meal on busy weeknights!

ingredients

Servings

Fajita Chicken Marinade

• ¹⁄₄ cup extra virgin olive oil (plus 1 tablespoon, divided)
• 2 tablespoons lime juice
• 3 teaspoons chili powder
• 3 teaspoons ground cumin
• 1 ¹⁄₂ teaspoons kosher salt
• 1 teaspoon paprika (smoked paprika if available)
• 1 teaspoon onion powder
• 1 teaspoon garlic powder (smoked garlic powder if available)
• 1 teaspoon dried oregano leaves
• ¹⁄₄ teaspoon ground black pepper
• ¹⁄₈ teaspoon ground cayenne pepper
• 6-8 pieces boneless skinless chicken thighs (or chicken breasts)

Fajita Veggies

• ¹⁄₂ red onion (sliced)
• ¹⁄₂ yellow onion (sliced)
• 3 bell peppers (red, green, or orange, sliced)
• 1 tablespoon garlic (minced)
• 2 tablespoons fajita seasoning
• kosher salt and black pepper (to taste)

Cilantro Lime Sauce

• ³⁄₄ cup plain Greek yogurt
• ¹⁄₄ cup mayo
• 2-4 tablespoons lime juice (adjust to taste)
• 1 tablespoon light olive oil
• 1 lime zest (from 1 lime)
• ¹⁄₄ cup fresh cilantro (chopped)
• ¹⁄₄ teaspoon kosher salt
• ¹⁄₈ teaspoon ground black pepper

For Serving

• tortillas of choice (warmed)
• lime wedges
• fresh cilantro leaves
• sour cream (optional)
• guacamole (optional)

Instructions

1. Prep Fajita Chicken

   In a small bowl combine 1/4 cup olive oil, lime juice, chili powder, cumin, kosher salt, paprika, onion powder, garlic powder, dried oregano, black pepper, and cayenne pepper. Whisk to combine. Place chicken thighs in a medium bowl, pour marinade over chicken and toss to coat. Set aside to marinate.
   Mark as complete

2. Prep Fajita Veggies

   In a large bowl combine the red onions, yellow onions, bell peppers, garlic and fajita seasoning. Toss to coat and set aside.
   Mark as complete

3. Make Cilantro Lime Sauce

   Add all Cilantro Lime Sauce ingredients to a small food processor or blender. Blend on high until smooth. Transfer to a small bowl, cover and refrigerate until ready to serve.
   Mark as complete

4. Cook Chicken

   Preheat your Blackstone griddle or flat top to medium-high heat. Drizzle approximately 1 tablespoon olive oil over the cooking surface and spread to coat. Place marinated chicken on the griddle and cook 3-4 minutes per side or until chicken reaches an internal temperature of 162°F. Add additional olive oil as needed while cooking. Transfer chicken to a plate to rest.
   Chicken will continue cooking during rest time and reach safe 165°F internal temperature
   Mark as complete

5. Cook Veggies

   While chicken rests, add another tablespoon of olive oil to the griddle. Add the seasoned veggies and cook, tossing frequently with a spatula, for 3-5 minutes until tender-crisp and slightly charred. Transfer to a plate.
   Mark as complete

6. Slice Chicken

   After the chicken has rested for 5 minutes, slice into 1/2 inch thick strips or bite-sized pieces, as preferred.
   Mark as complete

7. Serve

   Warm tortillas on the griddle. Assemble fajitas by placing fajita veggies on a tortilla, topping with sliced chicken, a drizzle of Cilantro Lime Sauce, fresh cilantro, and a squeeze of lime juice. Add optional toppings like sour cream or guacamole as desired.
   Mark as complete

Nutrition Facts

Servings 4

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Amount Per Serving

Calories 720kcal

% Daily Value *

Total Fat 35gg54%

Saturated Fat 8gg40%

Trans Fat 0gg

Cholesterol 120mgmg40%

Sodium 820mgmg35%

Potassium 650mgmg19%

Total Carbohydrate 48gg16%

Dietary Fiber 6gg24%

Sugars 9gg

Protein 46gg92%

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Calcium 15% mg

Iron 20% mg

* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.

Note

• Chicken Breasts Option: If using chicken breasts instead of thighs, butterfly them or cut into tenders for even cooking. Reduce cook time slightly to prevent drying out.
• Dairy-Free: Substitute plain dairy-free yogurt for Greek yogurt in the Cilantro Lime Sauce.
• Gluten-Free: Use certified gluten-free tortillas or serve over rice for a delicious fajita bowl.
• Meal Prep Friendly: Leftovers store beautifully in airtight containers in the fridge for up to 5 days. Reheat gently for quick lunches.
• Prevent Sticking: Always preheat your griddle and add oil before adding chicken. Let chicken sear undisturbed for 2-3 minutes before flipping.

Keywords: blackstone chicken fajitas, chicken fajitas, flat top griddle recipes, easy weeknight dinner, mexican inspired recipes, grilled chicken fajitas