In a bowl, toss the spinach, onion and Peppered Corn Bread Croutons. In a blender, puree the vinegar, shallot, mustard, lemon zest and juice, honey and cloves. With the machine on, slowly blend in the canola and olive oils. Add the parsley and thyme; pulse until chopped. Season the dressing with salt and pepper and toss with the salad. Season with salt and pepper and serve.