Sweet potato rolls, a great twist on classic dinner rolls.

Ingredients

• 1 sweet potato (large, about 12 ounces or 375 grams)
• 3/4 cup raisins ( OR 2 green onions, thinly sliced (both are optional))
• 3 cups flour ((to 3 1/2 cups) )
• 3 tablespoons milk powder
• 2 tablespoons light brown sugar
• 1 packet rapid-rise yeast
• 1 teaspoons salt ((to 1 1/2 teaspoons))
• ½ cup water ( (warm but not hot - 115°to 120°F, 46°to 48°C))
• 2 tablespoons olive oil ( or vegetable oil)
• 3 tablespoons milk