Turn breakfast scraps into a zero-waste calcium powerhouse by learning how to bake and blend cleaned eggshells into fine, food-grade powder. Discover six clever uses—sprinkling it around tomato beds for a garden boost, folding it into houseplant soil, fortifying chicken feed, slipping a pinch into smoothies, adding it to your dog’s raw meals, and even adding it to a remineralizing toothpaste. Crack open the full step-by-step guide on the blog and start turning shells into something spectacular.