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    Home » Beef

    Flank Steak Tacos

    Published: Dec 17, 2019 · Modified: Mar 7, 2023 by Zimmy · This post may contain affiliate links · Leave a Comment

    Jump to Recipe Print Recipe
    A grilled and half sliced flank steak is on a platter surrounded by a variety of colourful fresh chopped vegetables and taco toppings,

    Flank Steak Tacos.

    The temperature has dipped, the days are shorter, the nights longer. The fireplace is roaring, the music is pumping, the drinks are flowing and local Ontario Beef is on the table.

    Gather round with friends and family, share stories, laugh loudly and dig into a taco fiesta featuring a delicious Ontario Beef flank steak.

    A close up of a medium rare slice of flank steak in a taco with bright toppings.
    A medium rare slice of flank steak in a taco with bright toppings infront of a large taco platter.

    My wife Elaine and I make it a point to know where our food comes from and have had the pleasure of getting to know a number of Ontario’s Beef Farmers. What we find these farmers all share in common is their appreciation and respect for their land, the environment, their livestock and their customers who purchase the products that they produce.

    So, the next time you choose beef as a centerpiece to #GatherRound I encourage you to choose Ontario Beef as your premium quality protein that will impress your guests and elevate even the most simple of gatherings.

    Buying local also helps to support the many farmers, artisan’s, and purveyors of fine foods that live and work in Ontario.

    Here is a glimpse of our trip to Heatherlea Farm to buy this beautiful Angus beef flank steak. The butcher had removed trimmed and packed my flank just as I arrived. Now that’s a nice perk of knowing your farmer and your butcher!

    This recipe was created in partnership with Ontario Beef Opinions in this post are my own.

    A faded red bar and silo on a snowy day with a blue sky.
    The back of a barn on a snowy day with cattle.
    A woman in the butcher's fridge talking about the cuts of beef.
    A butcher is holding a flank steak over the counter.

    Marinade for Flank Steak Tacos

    Flank steak is a lean cut of meat and therefore should be marinated. Add the meat to a resealable bag and pour all but 1/4 cup of the vinaigrette on top; turn the meat to coat. Refrigerate and let marinade for at least 4 hours and up to 24 hours. (Full recipe below)

    • Garlic cloves, sliced
    • Fresh rosemary leaves
    • Fresh oregano
    • Dijon mustard
    • Balsamic vinegar
    • Honey
    • Extra-virgin olive oil
    • Kosher salt
    • Freshly ground pepper

    How to Marinate a Flank Steak

    • Score the surface of the steak (on one side) before cooking to help the absorption of the marinade. Run your knife diagonally across the surface of the steak, in a diamond pattern. Make the slices about ¼-inch deep, and space them roughly 1-inch apart.
    • Add the meat to a resealable bag and pour all but 1/4 cup of the vinaigrette on top; turn the meat to coat. Refrigerate and let marinade for at least 4 hours and up to 24 hours.
    • Remove the steak from the fridge at least 30 minutes prior to grilling.
    This shows how to properly score your flank steak with a knife before marinating.

    Suggested Taco Toppings: 

    Spicy Guacamole, Pico de Gallo, sautéed mushrooms, corn & black bean salsa, fresh vegetables, rice and beans, grilled corn salad, limes, hot sauce, cilantro or any other favourite toppings.

    Tried this recipe?

    If you get the chance to try this recipe, please drop back and leave us comment and rating. We would love to know what you think.

    Cheers! James & Elaine

    A grilled and half sliced flank steak is on a platter surrounded by a variety of colourful fresh chopped vegetables and taco toppings,

    Flank Steak Tacos

    Gather round with friends and family, share stories, laugh loudly and dig into a taco fiesta featuring a delicious Ontario Beef flank steak.
    Serve sliced flank steak on warm tortillas with, Spicy Guacamole, Pico de Gallo, sautéed mushrooms, corn & black bean salsa, fresh vegetables, rice and beans, grilled corn salad, limes, hot sauce, cilantro or any other favourite toppings
    Print Recipe Pin Recipe
    Prep Time 20 mins
    Cook Time 12 mins
    Inactive time 4 hrs
    Total Time 4 hrs 32 mins
    Course Dinner, Entree, Game Day Snack
    Cuisine Mexican, Tex-Mex
    Servings 6 – 8 people

    Ingredients
      

    • 1 Ontario Beef Flank Steak 2-3 pounds
    • 10 -15 warm tortillas, small

    Vinaigrette/Marinade

    • 2 garlic cloves sliced
    • 1 tablespoon fresh rosemary leaves
    • 1 tablespoon fresh oregano
    • 2 tablespoons Dijon mustard
    • ½ cup balsamic vinegar
    • 1 tablespoon honey
    • 1 cup extra-virgin olive oil plus more for grilling
    • Kosher salt
    • Freshly ground pepper

    Instructions
     

    • In a blender, combine the garlic, rosemary, oregano, mustard, honey & vinegar and puree until the garlic is minced. With the machine on, gradually add the oil and blend until creamy. Season lightly with salt and pepper.
    • Score the surface of the steak (on one side) before cooking to help the absorption of the marinade. Run your knife diagonally across the surface of the steak, in a diamond pattern. Make the slices about ¼-inch deep, and space them roughly 1-inch apart.
    • Add the meat to a resealable bag and pour all but 1/4 cup of the vinaigrette on top; turn the meat to coat. Refrigerate and let marinade for at least 4 hours and up to 24 hours.
    • Remove the steak from the fridge at least 30 minutes prior to grilling.
    • Preheat the grill on high. (Oiling the grates is advised as the honey may stick).
    • Remove the steak from the vinaigrette marinade, letting the excess drip off. Season with salt and pepper. Grill the steak over medium-high heat, turning occasionally, until lightly charred and an instant-read thermometer inserted in the thickest part registers 125°F, approximately 8-12 minutes.
    • Transfer the steak to a carving board and let rest for at least 15 minutes. Thinly slice the meat against the grain.
    • Serve sliced flank steak on warm tortillas with, guacamole, pico de gallo, sautéed mushrooms, fresh vegetables, rice and beans, corn salad, limes, hot sauce or any other favourite toppings.

    Notes

    Suggested Toppings: Spicy Guacamole, Pico de Gallo, sautéed mushrooms, corn & black bean salsa, fresh vegetables, rice and beans, grilled corn salad, limes, hot sauce, cilantro or any other favourite toppings in a warm tortilla. 
    Keyword flank steak for tacos, flank steak on bbq, flank steak tacos marinade, marinade for flank steak tacos, Ontario Beef, skirt steak taco
    Tried this recipe?Let us know how it was!

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    Hi, I’m James (aka Zimmy), a home chef who loves to grill year-round. In partnership with my wife Elaine, we work with and passionately promote the stories of local farmers, food producers/purveyors, as well as the products of companies who share our passion for quality, innovation and design.

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