Rosy Radish Relish - cooking recipe

Ingredients

3 cups stemmed radishes
2 large celery ribs
1 large red onion
2 teaspoons canning salt
1 cup sugar
1 tablespoon mustard seeds
1 cup vinegar
2 tablespoons prepared horseradish

Preparation

Put radishes, celery and onion through the coarse blade of a grinder, or chop them finely. Mix remaining ingredients and allow to stand for three hours.
Bring to a boil in large pan and cook 10 minutes.
Pour into hot jars, leaving 1/2 inch head space. Adjust lids and process 1/2 pints or pints in a boiling water bath for 20 minutes.