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Beef Fajitas w/ Easy Guacamole

May 29, 2020 | Recipes | 0 comments

These healthy beef fajitas w/ easy guacamole make a quick weeknight dinner feel fun and festive!

I don't know about you but once I became a mom, it got a lot harder to go out to restaurants. We still prioritize date nights, but sometimes that's a fun meal (or picnic!) at home.

Beef fajitas are the kind of meal that makes at-home dining feel a little special. Bonus – if you prep the veggies ahead of time, they come together in about 20 minutes!

Fajita Friday just might become the new Taco Tuesday 🙂

The other thing I love about meals like this is they're perfect for families. Anything where you can set out a variety of topping choices allows kids to have some control over their plate without serving them a separate meal. Plus you just never know what they're going to try, they may surprise you!

Beef Fajitas
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Beef Fajitas w/ Easy Guacamole


For the Fajitas:

  • 1 red bell pepper
  • 1 yellow bell pepper
  • 2 garlic cloves
  • 1 red onion
  • 1 # grass fed stir fry beef
  • 2 Tbsp taco seasoning*
  • 8 organic corn tortillas (or sub lettuce wraps)
  • 1 lime

For the Guacamole:

  • 1 tomato
  • 2 avocados
  • ~ 1 lime
  • 1/8 tsp garlic powder
  • salt to taste


For the Fajitas:

  • Cut 1 red & 1 yellow bell pepper and 1 red onion into thin slices. Finely chop 2 cloves garlic.
  • Pour 1 Tbsp oil in a large sauté pan over med-high heat. Add garlic, bell peppers & onion, sauté for ~10 minutes.
  • Add 1# stir-fry beef and 2 Tbsp taco seasoning, cook ~5 minutes or until just cooked.
  • Serve fajitas in warmed corn tortillas (or lettuce wraps) with guacamole and lime slice on the side.

For the Guacamole:

  • Finely chop 1 tomato.
  • Mash 2 avocados.
  • Combine the following with the mashed avocado: 1 chopped tomato, juice of 1⁄2 lime (or more to taste), salt to taste, 1/8tsp garlic powder
  • Stir to combine.


*Note: read all ingredient lists; avoid added msg, sugar, gluten, salt, etc.

What are the nutritional highlights of these healthy fajitas?

SO much healthier than restaurant fajitas, these healthy fajitas are full of the good stuff. Here are the highlights:

Grass Fed Beef:

All beef is of course packed with protein, but there are real nutritional differences between grain-fed and grass-fed beef. For instance, grass-fed beef actually has 5 times as much omega 3 fatty acids as its grain-fed counterpart! Moreover, grass-fed beef has more vitamin A and vitamin E.

Bell Peppers:

Loaded with Vitamin A, Vitamin C, Potassium, Folic Acid, and Fiber, bell peppers are a great addition to a healthy family dinner recipe.


Did you know that the humble onion is actually packed with antioxidants?


Full of nutrients like potassium, folate, and healthy fats, avocados are good for your heart, your eye health, and even your mood.  In addition, they benefit your brain, bone density, and blood sugar levels.


Packed with antioxidants, tomatoes may help reduce the risk of several kinds of cancer. Furthermore, they contain Vitamin A, Vitamin C, Vitamin E and potassium, many of which most people don't get enough of.

What substitutions can I make?

Fajitas are one of those great recipes that are almost more of a concept than a recipe. You can really mix it up and use any protein you want!

Sub frozen peppers and onions if that's what you have on hand (or if you want to make the prep EVEN faster for this one).

Use shrimp or chicken in place of the beef if you wish. To make this vegetarian, you could even use black beans or pinto beans in place of meat.

This is also a great way to use up extra veggies. Throw in some mushrooms, zucchini or spinach – they'll all be delicious with that taco seasoning!

How can I make homemade taco seasoning?

No taco seasoning in your pantry? Not a problem!

Chili powder is the main ingredient in taco seasoning so start there. You'll also want to include garlic powder, cumin, oregano and salt. Throw in some onion powder and paprika if you feel like it – it's all to taste!

Are these Keto Fajitas?

Following a Keto lifestyle? You're in luck! These healthy fajitas are Keto-friendly.

Simply replace the corn tortillas with lettuce wraps and you're good to go. Eaten this way, with the guacamole, the recipe has about 11 grams net carbs and 28 grams of fat per serving.

Can I meal prep beef fajitas?

Yes! You can totally meal prep this recipe to make it super quick for a weeknight.

Simply wash and chop your onion and peppers ahead of time and store in the fridge. Mix your seasoning if you're making your own.

Dice the tomato for the guac ahead of time too if you wish, but don't cut the avocados until you're ready to eat or they'll turn brown.

How can I keep the easy guacamole from turning brown?

Guacamole goes pretty fast in my house so I can't guarantee you'll have any leftovers. If you do have some left after the meal though, there are a couple of tricks you can use to keep it from browning.

Squeeze in a little extra lime juice before you store your guac in the fridge. This keeps the avocado from oxidizing and turning brown.

Also make sure to store your guacamole in a totally air tight container. You may even want to spread a layer of plastic wrap over the top of the guac within the container.

If you do find your leftover guacamole has a brown layer on top, simply scrape it off or stir it in. It's totally safe to eat, it just isn't very appetizing to look at.

For ideas on how to use pantry and freezer ingredients, make sure to download our full Prep Dish-style pantry / freezer menu here!

What is your favorite Tex-Mex inspired dish? Share your ideas and pictures on Facebook, Twitter or Instagram as @prepdish in all 3 places, or leave a comment below.

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Healthy Beef Fajitas
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