1 head of radicchio ( 7 ounces), torn into bite-size pieces
One 5-ounce bag baby arugula
2 cups pita chips
In a large bowl, whisk the lemon juice with the mayonnaise. Slowly drizzle in the olive oil, whisking until blended. Season the dressing with salt and pepper, add the greens and pita chips, toss the salad well and serve.