Line two cookie sheets with waxed paper. Set aside.

In microwave oven - Place chocolate chips and butterscotch chips together in 2-quart microwave-safe bowl and microwave at MEDIUM (50 percent power) for 1½to 4 minutes, until chocolate turns shiny.

Remove from microwave and stir until completely melted. Add chow mein noodles, peanuts and raisins to melted chocolate. Using rubber spatula, toss ingredients to coat well.

Drop by teaspoonfuls onto prepared cookie sheets. Place cookie sheets in refrigerator until cookies harden. Store in cold or cool place in airtight container.