Dark Heiny Mustard

• 14 cup brown sugar
• 8 fluid ounces heineken dark beer or 8 fluid ounces other dark lager beer
• 2 tablespoons mustard seeds
• 2 tablespoons dry mustard
• 4 fluid ounces cider vinegar
• 2 shallots, minced
• 1 teaspoon salt
• 14 teaspoon white pepper
• 2 egg yolks
• 2 tablespoons unsalted butter, melted

1. Blend all the ingredients in a blender or food processor.
2. Spoon the mixture into the top of a double boiler.
3. Cook over simmering (not boiling) water until thickened and steaming, about 10 minutes, whisking often to prevent curdling.
4. Let cool to room temperature, then chill.
5. Serve as a condiment for meats and deli sandwiches.
6. This mustard will keep, refrigerated, in a tightly sealed container for up to 2 weeks.

brown sugar, lager beer, mustard seeds, mustard, vinegar, shallots, salt, white pepper, egg yolks, unsalted butter

Taken from www.food.com/recipe/dark-heiny-mustard-35134 (may not work)