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    Home » Main dishes

    Sheet Pan Fajitas with Beef - An Easy Sheet Pan Dinner

    Updated: Aug 27, 2020 · Published: Feb 13, 2018 · This post may contain affiliate links.

    Jump to Recipe - Print Recipe
    beef and peppers on sheet pan with lime slices

    These Sheet Pan Fajitas with Beef are incredibly easy to make and will be ready for dinner in just about a half-hour. Serve with corn tortillas, or wrap them in lettuce for a healthier, low-carb option.

    If I had to pick one food to eat for dinner the rest of my life, I'm pretty sure I'd pick fajitas. You can't go wrong with fajitas! They taste amazing, they're versatile (chicken fajitas, beef fajitas, tilapia fajitas, shrimp fajitas), and they're easy to make (even easier with this sheet pan version!).

    Plus, fajitas are an easy food to "lighten up." Although I love a good fajita the "old-fashioned way" in a corn tortilla, I know that's probably not the best choice every time. Fajitas can easily be made into low carb fajitas (or keto fajitas) by skipping the tortilla and opting for a lettuce wrap instead.

    When I eat lightened up fajitas, I love knowing that every bite is good for my body and soul! (And waistline.)

    beef and peppers on sheet pan with lime slices

    Sheet Pan Fajitas - The Easiest Way to Make Fajitas

    I know I said fajitas are easy to make, but sheet pan fajitas are EASY to make. No cooking the onions and peppers separately and then adding the meat and cooking again. With this oven-baked sheet pan fajitas recipe, you just season everything, throw it on to a prepared baking sheet, pop it in the oven for 15 to 20 minutes, and you're done.

    Whoever thought of sheet pan dinners is a genius. It's such a simple concept, but it's a game-changer for meal prep! (I feel the same way about the foil packet cooking method. It saves so much prep time.)

    beef and peppers on sheet pan with lime slices

    My "Secret Weapon" when Making Sheet Pan Fajitas

    Sheet Pan Fajitas are already easy (everything roasted on one pan at the same temperature — it doesn't get much easier than that!), but I have a "secret weapon" that makes them even easier: a silicone baking mat.

    If you don't have a silicone baking mat yet, you're missing out on one of the best kitchen tools out there (besides the

    Instant Pot

    , of course)! Here's why you'll LOVE using a silicone baking mat:

    • You don't need to use cooking sprays, parchment paper, or oil.
    • It will save you money — no more going through roll after roll of parchment paper!
    • You can use it in the oven as well as the microwave, freezer, and toaster oven.
    beef and peppers on sheet pan with lime slices

    A Few More Recipes for Fajitas

    If you like these Sheet Pan Fajitas with Beef, how about two more fajitas recipes?

    • Tilapia Fajitas with Peppers and Onions: These delicious tilapia fajitas contain only 6 Weight Watchers Smart Points, making them an excellent healthy dinner.
    • Chicken Fajita Lettuce Wraps with Creamy Cilantro-Lime Sauce: These fajitas skip the tortillas and are served in romaine lettuce wraps. The cilantro-lime sauce is incredibly flavorful and completely fat-free!

    I hope you enjoy this easy and healthy Sheet Pan Fajitas dinner!

    beef and peppers on sheet pan with lime slices

    Sheet Pan Fajitas with Beef

    All She Cooks
    Sheet Pan Fajitas with Beef are easy, fast, and full of flavor!
    5 from 2 votes
    Print Recipe Pin Recipe Save Recipe Saved!
    Prep Time 10 mins
    Cook Time 20 mins
    Total Time 30 mins
    Course Main dishes
    Cuisine Mexican
    Servings 6
    Calories 359 kcal

    Ingredients
      

    • 1 lb flank steak cut into strips
    • 2 bell peppers red and yellow, sliced
    • ½ red onion peeled and sliced
    • ¼ cup olive oil
    • 2 tsp cumin
    • 2 tsp chili powder
    • ½ tsp cayenne pepper
    • 1 tsp red pepper flakes
    • salt and pepper to taste
    • fresh cilantro chopped, for garnish
    • juice of ½ lime
    • avocado optional for serving
    • corn tortillas or lettuce wraps for serving

    Instructions
     

    • Line a large, rimmed baking sheet (for best results, use a three-quarter sized sheet pan) with a silicone baking mat (recommended) or parchment paper. Preheat oven to 400°F.
    • Combine flank steak, peppers, red onion, olive oil, cumin, chili powder, cayenne, and red pepper flakes in a large bowl. Season generously with salt and pepper to taste. Mix until everything is well coated.
    • Spread the pepper and steak mixture onto the baking sheet. Make sure everything is in an even layer with little to no overlap. Roast in the oven for 15-20 minutes, or until the peppers have softened and slightly caramelized and the steak reaches the desired doneness level.
    • Remove sheet pan from oven. Sprinkle with fresh cilantro and a squeeze of lime juice.
    • Serve immediately with avocado (optional) and either corn tortillas or lettuce wraps.

    Notes

    The nutrition facts have been calculated without the optional avocado and corn tortillas. If you eat your sheet pan fajitas with one or both optional items, keep that in mind when you look at the nutrition facts.

    Nutrition

    Serving: 1gCalories: 359kcalCarbohydrates: 16gProtein: 26gFat: 22gSaturated Fat: 5gPolyunsaturated Fat: 15gCholesterol: 68mgSodium: 207mgFiber: 4gSugar: 7g
    Keyword sheet pan fajitas, steak fajitas
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      Recipe Rating




    1. Etta

      June 13, 2021 at 4:15 pm

      5 stars
      I made this recipe with a sirloin steak. I did not use the cayenne pepper because I cannot tolerate it anymore. This was SO easy and delicious! I will make this again and again!

      Reply

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    Nicole is a recipe developer, food photographer, and published cookbook author. At All She Cooks, she shares simple recipes to make every day a little bit more delicious. About Us →


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