These quick pickled red onions are a tangy, crunchy, and vibrant condiment perfect for topping tacos, burgers, salads, and more. Made with just a handful of pantry staples, this easy refrigerator pickle recipe is ready in under 30 minutes and adds bold flavor to any meal. Whether you're meal prepping, preserving your garden harvest, or adding a pop of color to your favorite dishes, these pickled onions are a must-have staple in any farmhouse or from-scratch kitchen.