As the holidays approach, many of us gather around tables filled with an array of delicious dishes—bread baskets, cheese platters, tangy pickles, savory meats, and even a glass of bubbly. While we often focus on the chefs, recipes, and traditions that bring these foods to life, there’s an invisible workforce behind many of these staples: bacteria. Not just the stuff of food poisoning nightmares, bacteria are responsible for some of the most iconic flavors, textures, and even health benefits of the foods we love. Let’s take a closer look at the hidden work bacteria do across different food categories, transforming simple ingredients into holiday magic.