Thereโs something magical about sizzling peppers and onions โ the aroma, the color, the flavor explosion. These fajita veggies are a staple for tacos, burritos, and bowls, but theyโre so versatile youโll find yourself adding them to everything. Quick to make, loaded with bold spices, and endlessly adaptable, theyโre the side dish (or topping!) you didnโt know you needed. ๐ฎ๐

Why Youโll Love These Fajita Veggies
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Ready in 15 minutes
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Naturally vegan, gluten-free, and low-calorie
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Great for meal prep or quick dinners
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Perfect for tacos, burrito bowls, salads, and more
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Bright, bold flavor with minimal effort
๐ Ingredients Youโll Need (Expanded)
- 3 bell peppers โ Use a mix of red, yellow, and green for a vibrant color combo and a blend of sweetness and slight bitterness. The rainbow look isnโt just pretty โ it adds flavor depth.
- 1 red onion โ Adds mild sweetness and a beautiful purple hue when sautรฉed. You can also swap for sweet yellow onion or white onion for a lighter flavor.
- 2 tablespoons olive oil โ Helps vegetables roast evenly and develop delicious caramelization. You can also use avocado oil for a neutral, high-heat alternative.
- ยฝ teaspoon dried oregano โ Lends subtle herbaceous notes with a Mediterranean twist. Feel free to use Mexican oregano for authenticity if you have it.
- ยฝ teaspoon chili powder โ Brings warmth and a mild spicy edge. Adjust more or less depending on your heat preference.
- ยฝ teaspoon ground cumin โ Earthy, toasty flavor that gives fajitas their signature savory base.
- ยฝ teaspoon salt โ Essential for pulling out the natural sweetness in the veggies and making all the spices pop.
โจ Optional Upgrades:
- Add sliced mushrooms for umami
- A splash of lime juice for a zesty finish
- Toss in some fresh chopped cilantro just before serving
- Sprinkle with cotija or feta cheese for extra richness
๐จโ๐ณ How to Make Fajita Veggies
Step 1: Prep the Veggies
Slice the bell peppers and onion into thin strips for quick, even cooking.
Step 2: Heat the Skillet
Heat olive oil in a large skillet (cast iron works best for great browning) over medium-high heat.
Step 3: Sautรฉ
Add the sliced veggies to the hot skillet. Cook for 6โ8 minutes, stirring occasionally, until they soften and start to brown around the edges. You want those golden bits!
Step 4: Season
Sprinkle the oregano, chili powder, cumin, and salt over the veggies. Stir well to evenly coat every piece with those bold seasonings.
Step 5: Finish Cooking
Cook for another 1โ2 minutes, stirring frequently, until the veggies are tender and fully flavorful.
Step 6: Serve
Serve hot as a topping or side for your favorite Mexican-inspired meals!

๐ฝ๏ธ Serving Suggestions
- ๐ฎ Tucked into tacos or quesadillas
- ๐ฅ Piled on top of taco salads
- ๐ Over rice or quinoa in burrito bowls
- ๐ฅ Alongside grilled chicken, steak, or tofu
- ๐ณ With scrambled eggs for breakfast fajitas
- ๐ง Melted into cheesy fajita nachos
๐ก Tips & Variations
- Use a hot cast iron pan to get that delicious char and smokiness
- Donโt overcrowd the pan โ if doubling the recipe, cook in batches
- Love spice? Add sliced jalapeรฑos or a pinch of cayenne
- Try roasted โ Toss veggies in oil and spices and roast at 425ยฐF for 20 minutes
- Add garlic โ Toss in a minced clove at the end for a bolder bite
๐ฅก Storage & Reheating
- Fridge: Store cooled veggies in an airtight container for up to 4 days
- Freezer: Not ideal โ texture may get mushy
- Reheat: In a skillet over medium heat or microwave until warm
โ FAQs About Fajita Veggies
Q: Can I make these ahead of time?
A: Yes! These reheat beautifully โ make a batch and enjoy all week.
Q: Can I grill instead of sautรฉ?
A: Definitely. Toss the veggies in oil and spices, then grill in a basket until tender and charred.
Q: What other seasonings can I try?
A: Smoked paprika, garlic powder, coriander, or even taco seasoning work great here.
Q: Can I skip the oil?
A: You can use a nonstick pan and a splash of broth, but youโll miss out on that lovely caramelization.
โค๏ธ Final Thoughts
These fajita veggies are proof that sometimes, the simplest recipes are the most impactful. Just a few ingredients, a handful of spices, and a hot pan โ thatโs all it takes to turn humble vegetables into a fiesta of flavor. ๐๐
They’re not just a topping; theyโre a meal stretcher, a flavor booster, and a weeknight hero. Add them to eggs, toss them in wraps, layer them into grain bowls, or just eat them with a fork โ they shine in every role. Plus, theyโre healthy, budget-friendly, and naturally plant-based. ๐ฑ
Want a kitchen win you can pull off with your eyes half-closed and still impress? This is it. Keep a skillet nearby and some peppers in the fridge, and youโre never far from something delicious. ๐ฅ๐ถ๏ธ
Short version

Fajita Veggies
Ingredients
- 3 bell peppers such as red, yellow, and green for a colorful mix
- 1 red onion or use sweet yellow or white onion if preferred
- 2 tablespoons olive oil to help the vegetables roast evenly
- ยฝ teaspoon dried oregano for a touch of Mediterranean flavor
- ยฝ teaspoon chili powder to add warmth and mild spice
- ยฝ teaspoon ground cumin for a rich earthy base
- ยฝ teaspoon salt or adjust to your taste
Instructions
- Thinly slice the bell peppers and red onion.
- Heat olive oil in a large skillet, such as cast iron, over medium-high heat. Add the sliced peppers and onions and cook for 6โ8 minutes, stirring occasionally, until they begin to soften and develop some browning.
- Sprinkle the dried oregano, chili powder, cumin, and salt over the vegetables. Toss well to evenly coat them in the seasonings.
- Cook for another 1โ2 minutes, stirring frequently, until the veggies are tender and flavorful.
- Serve the fajita veggies in warm tortillas with chicken, steak, beans, or add them to burrito bowls – however you like.
