Here is a goal: Can I make fudge in five minutes?

Which way makes more sense to accomplish this goal?

Pick from:
(A). YES! In a microwave safe bowl, mix 8 oz butter, 1 cup creamy peanut butter and microwave for one minute. Stir and microwave for one more minute. Line an 8x8 pan with parchment paper. Add the powdered sugar to the mixture and stir. Pour into the pan and smooth. Chill and enjoy;
(B). YES! In a microwave safe bowl, mix 8 oz butter, 1 cup creamy peanut butter and microwave for one minute. Stir and microwave for one more minute. Line an 8x8 pan with parchment paper. Add the brown sugar to the mixture and stir. Pour into the pan and smooth. Chill and enjoy;
(A).