1 medium to large russet potato |
1 1/2 tablespoons pickling salt |
1/2 tablespoon ground oregano |
1/2 tablespoon garlic powder |
2 teaspoons minced garlic |
1 teaspoon liquid smoke |
pinch black pepper |
1 1/2 teaspoon white pepper |
2 cups water |
1 large, 1-inch slice sweet onion, cut from the middle |
1 tablespoon salted butter |