Cornbread Salad with Arugula and Herbs

Combine the vinegar and mustard in a blender and pulse to combine. With the blender running, slowly add the oil, in a thin stream, to form an emulsion. Season with salt and pepper to taste.

Heat an outdoor grill or stove-top grill to high. Cut the cornbread into 1-inch wide strips and brush the cornbread strips lightly on all sides with the olive oil. Brush the onion slices and the radicchio quarters with olive oil as well and season with salt and pepper.

Grill the cornbread, just until grill marks appear, about 1 minute per side. Grill the onion slices until tender and golden, about 5 minutes per side. Grill the radicchio until just beginning to wilt, about 1 minute total.

Cut the grilled cornbread into 1-inch cubes and roughly chop the grilled onions. Combine the cornbread cubes and grilled onions with the remaining ingredients, add the vinaigrette to taste, toss the salad gently and serve.