Whisk it all together: In a small jar or bowl, whisk together the olive oil, red wine vinegar, and Dijon mustard until well combined.
Store and enjoy! Transfer the dressing to a jar or container with a lid and store it in the refrigerator for up to a week. Give it a quick shake or stir before using to re-combine the ingredients.
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Notes
Whisk vigorously: This helps emulsify the oil and vinegar, creating a smooth and creamy dressing.
Perfecting Your Flavor: To achieve the ideal balance in your 3-2-1 dressing, experiment with the mustard and vinegar ratios. Adjust the ingredients to your liking, whether it's adding more mustard for a bolder flavor or a touch of sweetener to mellow it out. Remember, tasting as you go is key to creating a dressing that suits your palate perfectly.
Store in an airtight container: This dressing will last about a week in the refrigerator, but it's so delicious, it probably won't last that long!