Pear Blue Cheese Yam Appetizers (Thanksgiving Recipe)

yams

salted butter , softened to room temperature

olive oil (or any other vegetable oil)

Beurré Bosc pears , ripe

Anaheim green peppers

garlic , crushed, peeled and coarsely chopped

olive oil

yellow onion , finely chopped

salt

slice Fourme d'Ambert blue cheese , as needed

coarsely chopped walnuts , roasted