Boiled Mustard Potatoes

6 cups water

½ teaspoon salt, or to taste

½ cup prepared yellow mustard, or to taste

5 large Yukon Gold potatoes, peeled and halved

Whisk the water, yellow mustard, and salt together in a large saucepan. Bring to a boil over medium heat, and stir in the potatoes. Reduce heat to medium-low, and simmer until tender, 25 to 30 minutes. Drain liquid, and serve.