1. Add acids: Citrus fruits, such as lemons and limes, and vinegars play an important role in healthy cooking. Acids act a little like salt in that they help bring out the natural brightness of foods and work to meld flavors together. Try making a quick salad dressing with lemon juice and zest or red wine vinegar with a smidge of oil—or toss veggies and grains with citrus or vinegar to brighten them up. With this added pop of flavor, you’ll think it’s summer all year long! 2. Spice everything nice: Spices are a great way to add flavor and character to a dish without adding calories, fat, and