Step 1

Add all ingredients except the steak to a mixing bowl. Whisk together until fully combined.

Step 2

Pierce the flank steak with a fork all over, and then place in the bowl*.

Step 3

Turn the steak several times to coat thoroughly.

Step 4

Cover the bowl with plastic wrap and place in the fridge for 2-24 hours.

Step 5

Remove from the fridge 30 minutes before grilling. Take the steak out of the marinade and remove excess moisture with paper towels. Discard the marinade**.

Step 6

Preheat grill for medium-high heat, about 400°F (204°C).

Step 7

Spray the grill grates with cooking oil spray.

Step 8

When hot, place flank steak on the grill.

Step 9

Grill the first side for 1 minute to sear. Then flip the steak and grill 1 minute on the other side.

Step 10

Continue cooking for 2-3 minutes per PER SIDE to desired doneness***, flipping every minute for even cooking.

Step 11

Remove to a cutting board and let the steak rest covered with aluminum foil for 5 minutes (this is so the juices retreat into the meat).

Step 12

Slice thinly against the grain to serve.