Preheat Oven to 350.

Place mashed potatoes in a zipperd bag or piping bag and set aside for later.

Combine Ketchup Mustard and brown sugar and mix well. Set aside.

Combine remaining ingredients and mix thoroughly.

Press this mixture into muffin pan.

Spread top of each with the ketchup mixture.

Bake for 30-45 minutes.

Allow to sit for 5 minutes, remove from muffin pan and pipe on a mashed potato "frosting".