This is so simple and easy to do even the kids can make it.
Mix all the dry ingredients together in a 8x8 inch microwave safe pan (important to use this size pan). Add milk and vanilla extract. Place chunk of butter/margarine in center ( leave butter as whole do not chop up). Microwave on high for 2 minutes until bottom of dish feels warm. Stir vigorously and blend in chopped nuts. Put in mold or whatever and chill for 1 hour.
This will make about 12 to 15 good size peices of fudge.
You can even vary, nuts walnuts, pecans (my personal favorite),
and even peanuts can be used. Its a great recipe for a fast easy