Packed into a sealable crock or mason jar, this condiment makes a wonderful gift. Once you become familiar with the recipe, it can be customized: You can take out the horseradish and garlic for a more mellow experience, change the vinegar from cider to red wine for more tang, or sub whole brown mustard seeds for the yellow for a darker, nuttier flavor. One thing to remember: The flavors benefit from two weeks of aging in which to meld, so it's best to start this project a bit before the holidays. If pressed for time, however, simply attach a tag with the date on which you recommend the crock be opened.

Ingredients

　　1 1/2 cups cider vinegar

　　1/2 cup dry mustard

　　1/4 cup yellow mustard seeds

　　2 cloves garlic, minced

　　2 tablespoons prepared white horseradish, drained

　　2 teaspoons salt

　　1 teaspoon packed light-brown sugar

　　In large jar, combine all ingredients and 1/2 cup water and shake well. Cover and refrigerate 48 hours. In food processor, process mixture until smooth, about 2 minutes. Divide among 6 (4-ounce) sterilized mason jars. Seal jars and store in cool, dark place for 2 weeks before opening. (Mustard can be eaten immediately, but flavors will not have had a chance to meld.)