There are so many ways to make a good vinaigrette! All you need is a mason jar and a strong arm. I like to make most vinaigrettes simply by shaking my oil and other ingredients together in a jar. This works well for liquid-based dressings. For a red wine vinaigrette like this one, try using an immersion blender. You'll be able to blend directly in the jar you'll use for storage, helping you avoid dirtying more dishes and wasting precious ingredients. You can also use a food processor or blender. Don't forget to use a skinny spatula to scrape any leftovers into your jar!