holiday winter salad w/ apples & white cheddar

Ingredients

• 3 tablespoons cider vinegar
• 6 tablespoons olive oil
• - salt and pepper to taste
• 1 - head radicchio lettuce, cut lengthwise into strips
• 2 - heads belgian endive, cut lengthwise into strips
• 1 - head frisee lettuce, stems removed, torn into small pieces
• 1 - granny smith apple, quartered, cored, thinly sliced
• 1 - mcintosh apple, quartered, cored, thinly sliced
• 1/2 cup walnut halves, toasted
• 1 - wedge of sharp cheddar cheese