Rinse and pat dry the veggies. Then, to a large mixing bowl, add chopped romainelettuce, radicchio, arugula, halved cherry tomatoes, chopped celery, grated carrot, and thinly sliced red onion.
Add extra virgin olive oil, vinegar, and salt. Toss the salad well before serving it as a side dish to most mains.
Nutrition information is for 1 portion of side salad out of 4.Here's our homemade Italian dressing recipe if you prefer to use that as a dressing.