Chop the shallot and put it in a small bowl. Add the vinegar, sugar and lemon juice and set aside.
Meanwhile, hull the strawberries and cut them in half. Transfer to a serving bowl along with the spinach and basil.
Whisk the EVOO into the vinegar mixture and season with salt and pepper. Toss the salad with the dressing and season with salt and pepper.
Recipe courtesy of Rachael Ray