2 center-cut bacon slices, cut into lardons
1/2 red onion, thinly sliced
1 apple, such as Gala, Granny Smith, or Honeycrisp, skin on, cored and diced
Coarse kosher salt and freshly ground black pepper
8 cups tender kale, stemmed and cut into chiffonade
1 tablespoon sherry vinegar
3 tablespoons very finely chopped pecans
One 6-ounce log goat cheese
1 small apple, such as Gala, Granny Smith, or Honeycrisp, skin on with core, cut crosswise into 1/4-inch-thick slices