2 lbs (1 lb yield) skirt steak, flank steak, or comparable cut, sliced into strips 1/4" thick or thicker. Marinade: 16 oz Scotch Ale (flavored, sugary sodas work too, like Cherry Coke) 1/2 cup soy sauce 1 Tbsp chipotle 1 Tbsp garlic powder 1 Tbsp onion powder 1 Tbsp red pepper flake