Arugula & Red Onion Salad

Arugula and red onion salad is the kind of five-minute Italian side that lets the ingredients do all the work. Three quarters of a pound of arugula gets a bath, a spin, and a toss with thinly sliced red onion, minced garlic, red wine vinegar, olive oil, salt, and black pepper. That is the entire recipe.

The peppery, mustardy bite of arugula is the star here, so do not crowd it with too many other ingredients. Cheap dressings or fancy additions only mask what makes the green special. The thinly sliced red onion adds sharpness and color contrast, while the raw garlic delivers a pungent backbone.

The ratio matters. Three tablespoons of olive oil to one tablespoon of red wine vinegar is the classic 3:1 vinaigrette ratio, perfect for greens with assertive flavor. Less oil and the vinegar overwhelms; more and the greens go limp under too much fat.

Pro Tips

• Slice the red onion as thinly as possible. Thick slices overpower the salad with raw onion intensity; paper-thin rings dissolve into the dressing as they sit.
• Soak sliced red onion in cold water for 5 minutes before adding to mellow the bite if your onion is particularly aggressive.
• Toss right before serving. Arugula wilts quickly under dressing; even 10 minutes too soon and the leaves go sad and limp.
• Use a quality extra virgin olive oil. With this few ingredients, the oil’s flavor matters as much as the greens.

Variations

• Add shavings of Parmesan cheese with a vegetable peeler for an Italian classic upgrade.
• Toss in a handful of toasted pine nuts or walnuts for a crunchy textural contrast.
• Top with thinly sliced ripe pear or fresh figs in season for a sweet-bitter combination.