Use the ripest, juiciest pears you can find for this tasty winter salad.
Core pears, and slice into 1/2-inch-thick wedges. Place in a bowl, and sprinkle with lemon juice; toss to combine.
Add frisee, radicchio, and endive, and toss to combine. Add olive oil, salt, pepper, and crumbled goat cheese, and toss to combine. Serve.