mustard without vinegar 2tsp dry mustard 1 cup water 3 teaspoons arrowroot 1/4 teaspoon turmeric 1/2 teaspoon salt 1 teaspoon unbuffered vitamin c crystals combine dry mustard and water in a saucepan and allow to stand for 10 minutes, stir in the arrowroot, turmeric and salt and heat the mixture over medium heat stirring ...