Lemon Soy Steak
From both lemons, squeeze 1/3 cup juice. In bowl, mix lemon peel, lemon juice, soy sauce, oil, garlic, black pepper, and ground red pepper.
Pour marinade into large self sealing plastic bag; add steak, turning to coat. Seal bag, pressing out excess air.
Place bag on plate; refrigerate 30 minutes. Remove steak from bag.
Pour marinade into 1 quart saucepan and reserve. Place steak on grill over medium heat and cook 12 to 15 minutes for medium rare or until of desired doneness, turning once.