Deviled Eggs - cooking recipe

Ingredients

6 hard-boiled eggs
3 tablespoons mayonnaise
1/2 teaspoon brown mustard
1/4 teaspoon celery salt
1/4 teaspoon pepper
1/4 teaspoon onion powder

Preparation

Peel eggs and cut lengthwise in half.
Take out yolks and mash with fork.
Mix the rest of the ingredients with the yolks.
Fill whites with yolk mixture.