Place the unpeeled potatoes and garlic in a saucepan and cover completely with water. Put over high heat, bring to a boil, then reduce heat and simmer until fork tender; drain. Smash the potatoes and garlic together with a potato masher or a fork. Fold in the Parmigiano-Reggiano and olive oil. Season with salt and pepper and garnish with fresh chives.
Per Serving: 225 Calories (kcal); 8g Fat (2g Sat, 5g Mono, 1g Poly); 6g Protein; 31g Carbohydrates; 2g Dietary Fiber; 4mg Cholesterol; 237mg Sodium. Food Exchanges: 0 Grain (Starch); 1/2 Lean Meat; 1 1/2 Fat.