Grandma'S Homemade Mustard - cooking recipe

Ingredients

1/2 cup dry mustard (Coleman's Dry Mustard or Penzy's Oriental Canadian Hot work well)
1 cup flour
1 cup sugar
1/2 teaspoon pepper
1 cup cider vinegar

Preparation

Stir dry ingredients together.
Add in vinegar a little at a time.
Store in the fridge for a week to age and blend the flavors. Keeps and freezes well.