1 small head radicchio (about 8 ounces)
3 tablespoons olive oil
1 large yellow onion (halved lengthwise and thinly sliced crosswise)
3 cloves garlic (finely minced)
12 ounces Earthbound Farm Organic Baby Spinach
  pinch Sea salt and freshly ground black pepper (to taste)
1/2 cup chopped, toasted walnuts
1/4 cup Gorgonzola cheese