• In a blender or mason jar, combine the avocado oil, dijon mustard, balsamic vinegar, rosemary, garlic, and salt.
• Place the hanger steak in a shallow dish and pour the marinade over it.
• Marinate in the refrigerator overnight. If you are in a hurry, you can marinate it at room temperature for one hour.
• Remove the steak from the marinade and allow to come to room temperature.
• Blot with paper towels to remove excess moisture.

Grill

• Heat your grill to high heat. Brush the grates with oil.
• Cook the steaks for 8 to 10 minutes, flipping halfway through. (For medium-rare. Actual time will depend on the shape and thickness of the steak.)
• Allow to rest for 5 minutes, and then slice against the grain.

Blackstone Griddle

• Heat the Blackstone griddle to medium-high heat. (400 ° F to 450 ° F)
• Oil the griddle and then add the steaks.
• Cook for 5 minutes and then flip, cook an additional 4 minutes or to desired doneness.
• Remove from heat, and allow to rest fo 5 minutes before serving.
• Slice against the grain to serve.
  
  Recipe courtesy of Wendy Polisi
  https://wendypolisi.com/hanger-steak-recipe/#recip...