However, itâs also a time to be aware of the dangers soaring temperatures can bring. Extreme heat is the number one weather-related killer in the U.S, claiming more than 650 lives across the nation each year, according to the Centers for Disease Control and Prevention.
1 In a bowl whisk together garlic, extra virgin olive oil, balsamic, 1/4 cup red wine, 1 tablespoon chopped rosemary, salt and pepper.  Place flat iron steak in a resealable plastic bag. Pour marinade over the top. Shake to coat steak in marinade. Refrigerate for 8 hours or overnight.
These rectangular steaks average 8 ounces each. The. thickness of each Flat Iron varies from 3/4 inch to 1-1/4. inches. For this reason, in recipes, this cut is called for by. weight, not by thickness. Flat Iron steaks can also be cut. into strips for stir-fry or cubes for kabobs.