Step 1: Prepare the Onion: Finely chop the sweet onion. Consistent, small pieces ensure even flavor distribution in the dressing.
Step 2: Combine Ingredients: In a medium-sized bowl, whisk together the olive oil, apple cider vinegar, honey, Dijon mustard, salt, and pepper. Ensure the honey is fully dissolved.
Step 3: Add the Onion: Incorporate the chopped sweet onion into the mixture. Stir well to combine.
Step 4: Emulsify: Whisk vigorously until the dressing is well emulsified and slightly thickened. Alternatively, blend all ingredients in a blender or food processor for an ultra-smooth texture.
Step 5: Chill and Serve: For optimal flavor, refrigerate the dressing for at least 30 minutes before serving. This allows the flavors to meld together.
Optional Tips: For a tangier dressing, substitute balsamic vinegar for apple cider vinegar. To adjust the sweetness, add more or less honey to taste. Fresh herbs such as chives or parsley can be added for extra flavor.