When you walk off the field and into the locker room, you have just a few minutes to recover and refuel for the second half. To do this efficiently, you want halftime snacks rich in good carbohydrates to replenish the carbs you've burned up during the game, so you don't become fatigued and fail to play at your best.
Eat or drink at least 30 and no more than 60 grams of carbs—in the form of solids, liquids or gels—to give you energy for the next half. More than that, and you may feel sluggish.
In addition, you want to avoid foods high in fat, fiber and protein, because they slow down the digestion process and increase the chance of an upset stomach. Candy bars, granola bars and nuts tend to be high in fat, so avoid them during games.
Here are some quick carbohydrate sources that work well mid-game: