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Famous Flank Steak Marinade

Memorial day; the unofficial herald of the summer season! This tremendously easy Flank Steak Marinade, a.k.a. Nana & Papa’s Famous Flank Steak Marinade is the perfect recipe this summer and it’s gluten free with only 5 ingredients.


Memorial day — a day off, prime time for barbecues…but truly I hope you take a moment to reflect on those who died while serving our country, fighting for the very freedoms we enjoy on this holiday. What a humbling, magnificent and noble sacrifice they made so we may enjoy our barbecues without fear, amongst the many other freedoms we enjoy.

Whether you are hosting a barbecue or just feeding your own family, this is one of our families favorite beef marinades, in our home it’s Nana & Papa’s FAMOUS flank steak marinade! In fact, it has a story (shocker).

While preparing the marinade the other day, my husband said to me, “Many a twenty-something has been fed this famous flank steak,” he had that far off look, one of sweet memories of days gone by…with dear friends. This precious couple has mentored us, fed us spiritually and literally, counseled and nurtured us.

Our boys know them as Papa John and Nana Liz. We are so very grateful for this couple who still pour their lives into countless singles, couples and kids, most especially ours. Each time we make this marinade we think of and pray for this wonderful couple.


As with most marinades the longer they hang out in the marinade, the better infused the meat will be, enhancing the flavors. So make it  in the morning, or the night before and let it hang out for 4 hours or more!


A beautiful cast! Fresh ginger, garlic, a touch of brown sugar, oil and teriyaki sauce (or substitute soy sauce, Gluten free Tamari or Bragg’s Liquid Amino’s). I am loving avocado oil, have you tried it? I thought it would taste, well…avocado-y, but it’s a lovely, light oil that doesn’t taste of avocados, which I love, but I don’t necessarily want all of my foods tasting like them. Give it a try!

Easy Flank Steak Marinade Ingredients |

Pour the oil, teriyaki (or soy) sauce and water into a small mixing bowl. Mince garlic and ginger and place into liquids, add brown sugar and whisk well.

Garlic, Ginger and Brown Sugar for Flank Steak Marinade |


By simply making sure your Teriyaki or Soy sauce is Gluten Free, you’ve just adapted this recipe to be Gluten Free! If you like this Gluten Free Marinade, try my delectable Coconut Lime Chicken Marinade or my Shish Kebab Beef or Chicken Marinade

Next score your flank steak; using a sharp knife using just the tip, slip it just careful into the flesh and slice diagonally across and again the other direction. Flip and do the same on the reverse side.

Place flank steak in a glass dish and pour marinade over the top, making sure to lift the steak slightly so the marinade gets under the steak as well. 


I made just enough for our family, using a smaller flank steak, but most of the time, I get a couple of larger flank steaks from Costco and double the marinade. Placing one in a freezer baggie (don’t forget to write on it) pour half the marinade over and freeze. When ready to barbecue, thaw in refrigerator overnight, prepare as directed.


Let it hang out in the fridge marinating for 4 hours or more! Turning flank steak half way through marinade time.

flank steak hanging out in marinade |

Heat grill to high, then turn down to low and grill steak for 6-8 minutes per side (6 for pinker center, 8 for more well done).

If desired, you may pour the excess marinade over the meat while grilling, be careful though as flare-ups will occur due to the oil; watch that the fire goes out so that the meat doesn’t char.

Why should I let my meat rest?

Once meat is done to your liking, remove from grill to a plate, cover with foil, allowing it rest for 5-7 minutes before slicing.

As a matter of fact, while the steak was resting, I whipped up a couple of refreshing 4 Ingredient Margaritas

Allowing the meat to rest, gives it time to finish cooking and all those delicious juices to stay in the meat. Don’t be tempted to slice into it beforehand. Once rested, slice against the grain into thin slices and serve immediately.

slicing marinated flank steak |

Delicious served with fresh watermelon, a simple salad. 

Accompany with a crusty bread or biscuits (mine were Annie’s Organic Canned biscuits) and maybe a baked sweet or regular potato. Simple, filling, elegant.

Summer table set with flowers, wedges of fresh watermelon, hot biscuits and butter in a crock. |

Sit down, take a load off, relax with your family, enjoy a meal together and laugh… a lot…mainly at yourself!

slices of flank steak up close with sweet potato in background and salad on plate.

If you enjoy soy and Asian inspired sauces, also give these a try:

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Don’t forget to give it a ⭐️⭐️⭐️⭐️⭐️star rating in the recipe below!

slab of flank steak marinated and grilling on outdoor grill with smoke rising.
Yield: 6-8 servings

Famous Flank Steak Marinade

Prep Time: 5 minutes
Cook Time: 16 minutes
Marinade Time: 4 hours
Total Time: 4 hours 21 minutes

The easiest and most flavorful flank steak marinade; bursting with Asian flavors, tenderizing the meat for the best grilled flank steak ever. 



  1. In a small bowl combine all marinade ingredients, mixing well. Score the flank steak on both sides, by slicing about 1/4 inch to form a cross-cross pattern. Place the steak in a glass baking dish if making right away, pour marinade over the meat. Cover. Refrigerate at least 4 hours or overnight, turning once during the marinade time.
  2. Heat grill to medium hot, then reduce to low heat, place meat on grill and grill for 6-8 minutes per side (depending on thickness of flank steak and desired doneness.) Basting with leftover marinade if desired. For grill marks, rotate beef 1/4 turn after 3 minutes, repeating on other side.
  3. Remove meat from grill and cover with foil allowing to rest for about 6-7 minutes before slicing. Slice thinly against the grain. Serve immediately.
  4. Recipe easily doubles. Label gallon size baggie prior to filling with meat and marinade. Place meat in freezer baggie, pour marinade over meat, remove as much air as possible and lay flat to freeze. When ready to barbecue, take out of freezer allowing to thaw in the refrigerator overnight, turning once during thawing. Cook according to above directions.


See blog post for serving suggestions.

Nutrition Information:



Serving Size:

1/2 lb

Amount Per Serving: Calories: 194Total Fat: 15gSaturated Fat: 2gTrans Fat: 0gUnsaturated Fat: 12gCholesterol: 25mgSodium: 985mgCarbohydrates: 5gFiber: 2gSugar: 1gProtein: 11g

The nutritional information is estimated and may not be entirely accurate.

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