Instructions

  1. In a jar with a tight-fitting lid, combine olive oil, lime juice, vinegar, thyme, shallot, and serrano chile. Shake well.
  2. Season with salt to taste; chill in refrigerator.
  3. Remove rind from watermelon and slice flesh into 3" squares.
  4. To assemble salad, layer one piece of watermelon on one piece of feta. Repeat.
  5. Drizzle with vinaigrette and garnish with arugula and sliced serrano chile.