Deviled Eggs - cooking recipe

Ingredients

6 hard-boiled eggs
1 Tbsp. softened butter
1 tsp. powdered mustard
1/2 tsp. salt
1/8 tsp. pepper
1 Tbsp. mayo

Preparation

Mix all ingredients (except eggs) together.
Halve eggs and scoop out yolks.
Mix yolks with other ingredients.
Stuff whites and refrigerate.
Garnish with paprika or black olives.