Once your grill is hot enough, brush the metal bars of your grill with vegetable or olive oil using a grill brush.
You are now ready to place your flank steaks on your grill.
As soon as your steaks come in contact with the surface of your grill, they should start to sizzle.
During the first few minutes, you will be searing your flank steaks.
This will require between three and four minutes.
Use a pair of tongs to turn over your steaks.
Provided your grill was nice and hot, you should see blackened or dark brown areas of your steak with a crispy appearance.
If your meat is not well seared, turn it back over immediately and let your meat continue to cook.
Once your flank steaks are well seared, cook them on the other side over high heat for another three to four minutes.
This will ensure you have a crispy layer on both sides for a great taste and the ideal texture.
You will enjoy the caramelized exterior of your steaks.
Once both sides of your flank steaks have been seared, you will need to move them to a cooler section of your grill.
You can do this using your tongs.
If you are using a gas grill, move your flank steaks over the burner that is off.
For a charcoal grill, move your meat to the section with no charcoal underneath.
Cooking over high heat is ideal for searing your flank steaks.
If you try to continue cooking your meat over high heat, your steaks will burn before they are completely cooked.
When you finish cooking over steady, low heat, the inside of your steaks will have a chance to finish cooking without burning.
Cook your steaks over low heat for three more minutes on each side.
Keep your lid closed to prevent the heat from escaping.
Use a meat thermometer to determine the internal temperature of your flank steaks.
Once both sides have been seared and your steaks have cooked over low heat, they should be done.
To make certain, insert the pointed end of your meat thermometer into the thickest portion of your steaks.
Make certain your thermometer does not come in contact with the surface of your grill while checking the internal temperature of your flank steaks.
Never take your steaks off of your grill if the temperature is less than 120 degrees Fahrenheit.
Remove your flank steaks from your grill and place them on a cutting board or a platter.
Use aluminum foil to make a tent over your flank steaks.
Let your meat rest for ten to fifteen minutes.
This will enable your flank steaks to absorb the juices for more flavorful and tender results.
The aluminum foil will also keep your steaks hot while they are resting.
When you are ready to cut your meat, make sure you cut at a perpendicular angle to the surface lines of your steak.
This will tenderize your meat even more.
You are now ready to serve your steaks and enjoy your efforts.