Using large microwave-safe dish, melt butter. Add corn syrup, sugars and milk. Stir well and microwave for 6-8 minutes, stirring half way through time. Pour into a greased 8x8 inch pan and refrigerate for 30 minutes.
Cut into pieces, I cut into small squares, wrap in wax paper pieces. Twist the ends and store in air-tight container. These will disappear!