Fireworks. Watermelon slices. Corn on the cob. American flags. All staple items at a fourth of July barbeque. Yum! However, it’s all to common to arrive at a friend’s patriotic shindig and find that they’re nothing gluten-free, sugar-free, dairy-free, or vegan in sight. You’re starving. You don’t want to complain. So you eat everything anyway…