Want a tasty marinade for flap steak or another tough cut of beef? This one is SO GOOD! It’s a tenderizing flap steak marinade that is packed with flavor from fresh ingredients and herbs. Finish your steak how you’d like – grilled, griddled or smoked. Let’s make it!

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How do you tenderize beef flap meat?
For tougher cuts of steak, you’ll want to tenderize the meat and break down the muscle fibers prior to cooking.
Use something like this flap meat marinade to help tenderize beef before cooking it on the grill, griddle, or inside on a hot cast iron pan.
Marinade flap meat for about 30 minutes to a couple of hours before cooking. Reminder: never use leftover marinade that’s touched raw meat again – ditch it after marinating the beef.
See a quick Flap Steak Marinade video
See how to griddle flap meat…
New to cooking steak?
Scroll to the bottom of this post for longer step-by-step video instructions.
Ingredients
- ⅓ cup Olive Oil
- ⅓ cup Soy Sauce
- 1 tbsp Red Wine Vinegar
- ½ medium Lemon, Fresh Juice,
- 1 tbsp Dijon Mustard,
- 2 tbsp Brown Sugar
- 1 tbsp Garlic, Fresh Minced
- ½ tsp Crushed Red Pepper
- ½ tsp Black Pepper, Ground
- 1 tsp Ginger
- 1 tbsp Cilantro, Fresh Chopped
Also see this flank steak marinade…
See popular smoked food recipes on Sip Bite Go…
How to make this marinade for flap steak
Now I’ll walk you through it…
- Make marinade for griddled beef loin.
- Add all ingredients together in a large bowl and whisk.
- Add beef to flap steak marinate in the fridge for 30-90 minutes.
- Discard marinade after using it with raw beef.
See new griddle guides for the Blackstone Griddle Grill and check out my Traeger Flatrock griddle review….
Try these easy griddle recipes…
- Smashed breakfast burgers
- Griddled bacon
- Griddled onions
- Griddled chicken breast
- Griddle corn on the cob
- Quesadillas on the griddle
- Onion smashed burgers
- Philly cheesesteak smash burgers
- Steak fajitas on griddle
- GUIDE: seasoning Blackstone Griddle grills for the first time
See new griddle recipes for beginners…
Griddle cooking tools in the SBG setup…
Main griddle equipment
- Outdoor flattops: Blackstone Griddle + Traeger Flatrock (gifted).
- Indoor griddle: Lodge Pre-Seasoned Cast Iron Grill Pan
Other helpful grilling tools, accessories, ingredients…
- Heavy-duty Traeger tongs
- Traeger Tray (love for prep and to carry ingredients to the grill)
- Meat Church Texas Sugar BBQ
- California Avocado Oil Blend
Traeger Flatrock guides
- Traeger Flatrock grill review
- Tips for seasoning Traeger Flatrock grills
- Guide to Flatrock grease bucket
- See demos for the Traeger Flatrock grill cover
- Check out popular Flatrock accessories and the Flatrock smash burger kit
Meat thermometer recommendations
Every home chef needs a reliable meat thermometer to cook food perfectly.
On Sip Bite Go, you’ll often see me using:
- Meater thermometer – a fancy wireless thermometer that connects to a phone app – gifted to me from a Traeger partnership.
- ThermoPro digital thermometer – which has a wire that connects the thermometer to a display box outside the oven/grill.
It’s like being psychic! The great thing about either of the thermometers above is that I don’t have to take the food out of the oven to know the temperature.
How to use ‘em… What I do is stick the digital thermometer in steak, pork, chicken, whatever… Then put the food in the oven, on the smoker, or grill.
While the meat cooks, it reads the temperature so I know exactly what temp meat is as it’s cooking. Without having to take it out and check. It’s really difficult to overcook food when you know exactly what temp it is inside!
Are you a foodie, too?
Hey home chef, hope that answers all your questions about how to tenderize flap meat with a tasty marinade.
Enjoy cooking and chat soon on Instagram / TikTok / YouTube.
– Jenna
Next, browse the Sip Bite Go recipe collection…
Flap Steak Marinade Recipe | Sip Bite Go
Ingredients
- ⅓ cup Olive Oil
- ⅓ cup Soy Sauce
- 1 tbsp Red Wine Vinegar
- ½ medium Lemon Fresh Juice,
- 1 tbsp Dijon Mustard
- 2 tbsp Brown Sugar
- 1 tbsp Garlic Fresh Minced
- ½ tsp Crushed Red Pepper
- ½ tsp Black Pepper Ground
- 1 tsp Ginger
- 1 tbsp Cilantro Fresh Chopped
Instructions
- Add all ingredients together in a large bowl and whisk.
- Add beef to flap steak marinate in the fridge for 30-90 minutes.
- Discard marinade after using it with raw beef.
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