In a small saucepan melt butter or margarine. Stir in Worcestershire sauce and bottled hot pepper sauce.
Spread pecan or walnut halves in a shallow baking pan. Drizzle with butter mixture. Toss to coat. Bake in a 350 degree F oven for 15 to 20 minutes or until roasted, stirring occasionally. Makes 4 cups (8 servings).