This homemade whole grain mustard recipe is made with three types of mustard seeds and fiery habanero peppers for a spicy hot mustard you are sure to love. Ingredients: 1/2 cup yellow mustard seeds 1/4 cup brown mustard seeds 1/4 cup black mustard seeds 1 cup apple cider vinegar 1 cup beer I used a Mexican lager 4 habanero peppers chopped (innards removed for a bit less heat) Salt to taste (I use .5 teaspoon) Full Recipe 👇 | Chili Pepper Madness - Big Flavor Recipes