2 tablespoons unsalted butter
2 tablespoons packed light brown sugar
1/2 cup raw pecans
1 small shallot, finely diced
1 teaspoon Dijon mustard
2 teaspoons balsamic vinegar
1/4 cup extra-virgin olive oil
2 teaspoons maple syrup
Kosher salt and freshly ground black pepper
1 head endive, separated leaves
2 hearts frisee, hand torn
1 large radicchio, torn leaves
1 red pear, sliced
1/4 cup shaved Parmesan