Add the yellow and brown mustard seeds to a glass jar. Mix in the apple cider vinegar and beer of choice. Make sure to mix everything well and seal the jar.
Mix in the apple cider vinegar and beer of choice. Make sure to mix everything well and seal the jar. Soak the seeds overnight.
The next day, take the contents of the jar and pour it into a mixing bowl.
Add the brown sugar, Mikes Hot Honey and salt and mix everything together.
Put everything into a food processor and process until it's at your desired consistency. If you want more of the full seeds, don't over-process it! Note: Strain out some of the liquid into a measuring cup that you can use the liquid again later to get your desired consistency.
Put the final mustard mixture into a glass jar and seal. Store in the fridge and enjoy with your favorite dishes as a spread or a dip!