Melt butter in a 15x10 inch jelly roll pan while oven preheats to 300 degrees. Spread the pecans in the pan, tossing to coat with the butter. Bake at 300 degrees for 30 minutes, stirring twice.
Melt the chocolate candy coating in a heavy saucepan over low heat. Cool for 2 minutes; add pecans, and stir until coated. Drop by rounded teaspoons onto wax paper. Cool. Peel from the wax paper and store in an airtight container.