Make this easy appetizer ahead of time, and store in an airtight tin; reheat in the oven right before serving. You may also sprinkle them on the Spicy Brussels Sprouts.
Combine pecans and melted butter in an aluminum foil-lined jellyroll pan.
Bake at 350° for 5 minutes.
Combine sugar and red pepper; sprinkle half of sugar mixture over pecans. Bake 5 more minutes, stirring once. Remove from oven; toss with remaining sugar mixture.