Mommy Guay’s Sweet Mustard

Name: Mommy Guay’s Sweet Mustard
Prep time: 5 min
Cook time: 20 min
Total time: 25 min
Yield: about 500 ml (2 cups)
Ingredients: 2 cups (500 ml) prepared mustard; 1 1/2 cups (375 ml) sugar; 1 teaspoon (5 ml) celery seed