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You are here: Home / Physical Kitchness / Sheet Pan Flank Steak with Onions and Asparagus

Sheet Pan Flank Steak with Onions and Asparagus

5 Mar

Dinner in under 20 minutes! This sheet pan flank steak with onions and asparagus is the perfect paleo and Whole30 dinner to make and serve with minimal effort. Tender steak with perfectly roasted veggies is a meal that will definitely be on rotation.

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This paleo, Whole30 sheet pan flank steak dinner is paired perfectly with roasted red onions and asparagus

It’s been SO long since I posted a sheet pan recipe. I don’t know what I was thinking – I LOVE sheet pan dinners but I somehow forgot about this little love affair my baking sheet and I had.

Plus I’ve been a little chicken about it because I typically only make sheet pan meals with chicken. And I can’t think of another chicken reference to tie this all together so let’s switch gears and talk about beef.

STEAK specifically.

A simple sheet pan dinner in under 20 minutes. Paleo & Whole30

It was some stroke of genius (or a psychological attempt to bust fears) that I attempted a flank steak recipe in the oven. Steak and I only play well together on the grill. Lies – steak and my husband play well together on the grill. HE is the steak grill master and proud of it. I let him have the glory and just enjoy a perfectly grilled steak, complimenting him on his mad skillz (but not too much, since I don’t want to give him a big ego about it…)

I’ve done flank steak in a crockpot. And I’ve seared skirt steak in a cast iron. But never, EVER have I attempted steak in the oven.

But now I’m MAD. I’m mad I haven’t done it before. And I don’t want you to be mad at yourself either, so that’s why I must share this sheet pan flank steak with onions & asparagus recipe. It’s a game changer folks. Life changer. Steak changer.

Sheet Pan Flank Steak with Onions and Asparagus

Oven roasted flank steak and veggies - a simple, flavorful dinner in under 20 minutes

I can’t believe how perfect this big ‘ol hunk of meat came out. Cooked to perfection, juicy and flavorful, and the complimentary veggies were roasted to perfection. But the best part? Dinner in under 20 minutes (and if you are super efficient, you could probably bust it out in under 15).

NOT KIDDING. THIS IS NOT A DRILL.

No grill needed, no advanced culinary skillzzzz required. Just an oven and a sheet pan. Simple as that.

Marinating the flank steak all day packed it with major flavor, so much in fact, the asparagus needs no extra help. The marinated steak paired with the savory yet sweet sliced onions and PERFECTLY roasted asparagus is a beautiful combination for ‘yo taste buds. Aaaaand it’s paleo and Whole30 compliant.

Whole30 sheet pan flank steak and asparagus

This recipe is a must for big families or serving a crowd. Or if you have a husband like mine that eats like a small clydesdale.

They key is to set your oven to broil on high (mine hits around 550 degrees) and heat the pan before adding the steak and veggies. Then pop it back in the oven for 6 minutes (medium rare) or 7-8 for a well-done steak, then enjoy!

Marinated flank steak for an amazing and healthy sheet pan dinner in under 20 minutes

Sheet pan like this sheet pan flank steak with onions and asparagus meals your go-to? Then be sure to also make this Autumn Roasted Veggie Sheet Pan Chicken with Raisins, and this Sheet Pan Salmon with Dijon Cream Sauce.

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Sheet Pan Flank Steak with Onions and Asparagus

This paleo, Whole30 sheet pan flank steak dinner is paired perfectly with roasted red onions and asparagus

★★★★★

5 from 2 reviews

This simple yet flavorful Sheet Pan Flank Steak with Onions and Asparagus dinner is a paleo, Whole30 meal made in under 20 minutes.

  • Author: Physical Kitchness
  • Prep Time: 5 minutes
  • Cook Time: 7 minutes
  • Total Time: 12 minutes
  • Yield: 4-6 servings 1x
Scale

Ingredients

  • 1 1/2 pound flank steak
  • 2/3 cup olive oil
  • 1/4 cup red wine vinegar
  • 1/3 cup coconut aminos
  • 1 teaspoon salt
  • 2 teaspoons dried oregano
  • 2 teaspoons onion powder
  • 2 cloves crushed garlic
  • 1 red onion
  • 8 ounces asparagus spears
  • salt

Instructions

  1. Combine the olive oil, red wine vinegar, coconut aminos, salt, dried oregano, onion powder, and garlic. Place the flank steak in a large sealable bag or flat container and the marinade then store in the refrigerator and marinate all day or overnight
  2. Adjust an oven rack to the top slot, roughly 6 inches from the ceiling of the oven, then turn oven to broil (on high if oven settings are customizable, roughly 550 degrees)
  3. Place the baking sheet into the oven and let it heat for 5 minutes as the oven gets hot
  4. Slice the red onion thinly and separate the pieces and lightly coat (or spray) the asparagus with oil. Sprinkle with salt
  5. After the sheet pan is hot, remove from the oven and place the flank steak in the center, and arrange the asparagus and red onion in an even layer around the perimeter
  6. Place the sheet pan back into the oven and cook for 6 minutes for medium rare steak, 7-8 minutes for well done
  7. Remove the sheet pan from the oven, and transfer the steak to a plate or cutting board. Let sit for 5 minutes before slicing and serving with the roasted asparagus and onions

 

 

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Chrissa
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14 Comments Filed Under: Dinner, Physical Kitchness, Recipes, Whole30 Tagged With: asparagus, paleo, steak, whole30[heart_this]

About Chrissa

I'm Chrissa - a lover of cooking, hater of spiders, fitness enthusiast, red lipstick wearer, mom and wife. Here you will find healthy recipes the family will love, step-by-step workout tutorials, meal planning guides and wellness tips.

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Comments

  1. Megan says

    March 6, 2018 at 8:48 am

    So good and so easy!!!

    ★★★★★

    Reply
    • Chrissa says

      March 6, 2018 at 3:27 pm

      I’m so glad you liked it Megan!

      Reply
  2. Katie says

    March 7, 2018 at 6:32 pm

    I’m making this tomorrow – can’t wait!

    Reply
    • Chrissa says

      March 19, 2018 at 1:35 pm

      Hope you loved it!

      Reply
  3. Laura Bryant says

    March 29, 2018 at 4:25 pm

    Question: if my family doesn’t like asparagus, is there another veggie that I can cook with this? Thanks! Trying this next week!

    Reply
    • Chrissa says

      April 3, 2018 at 10:13 am

      Hmmmm as long as it isn’t a hard root veggie (like carrots, sweet potatoes, etc). You’ll want something that will cook quick. Maybe try green beans!

      Reply
  4. Kathy says

    April 2, 2018 at 5:19 am

    Sounds easy enough and we LOVE asparagus.. Hubby might be mad he doesn’t get to grill something lol but we’ll give this a try. Thanks!

    Reply
    • Chrissa says

      April 3, 2018 at 10:10 am

      Haha I’ll be sure to post lots of grilling recipes this summer so he’s content 😉

      Reply
  5. Nicole says

    April 15, 2018 at 10:53 pm

    Where do you buy your flank steak? I cant seem to find this cut of meat.

    Reply
    • Chrissa says

      April 16, 2018 at 8:45 pm

      Most regular grocery stores will carry them! Ask the person working behind the meat section 🙂

      Reply
  6. Dana says

    April 17, 2018 at 6:58 pm

    I have made this 3 times in the last 8 weeks! Soooooo good!

    Reply
    • Chrissa says

      April 24, 2018 at 3:47 pm

      You found a winner! So glad you like it Dana!

      Reply
  7. Danielle says

    April 20, 2018 at 7:39 am

    I loved this so much. The marinade was especially tasty. I love a medium rare steak, but mine was never quite done. I had to keep cutting off the medium rare ends and putting it back under the broiler to cook a bit longer. Some parts of the (mostly the middle) were way too rare. Can you suggest some tips…..I do not want to grill it. That’s my husband’s job too! Please let me know as I really do love this recipe! Thanks!

    ★★★★★

    Reply
    • Chrissa says

      April 24, 2018 at 3:45 pm

      Sounds like your flank steak is quite varied in thickness. Next time try pounding the thickest part, so it’s more uniform for cooking and will yield a better result.

      Reply

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