Hummus Mashed Potatoes

Bahan-bahan (4 porsi)

• 3 lbs . Yukon gold potatoes
• 1/4 cup (4 Tablespoons) butter*
• 1/4 cup milk*, warmed
• 2 cups favorite hummus, homemade or store-bought
• 1/2 tsp . salt (or more to taste)
• 1/4 tsp . freshly-cracked black pepper
• optional garnish: chopped fresh Italian parsley, lemon wedges, extra drizzle of olive oil