You are here: Home » Recipes » Mashed Potatoes with Sour Cream and Mushrooms Mashed Potatoes with Sour Cream and Mushrooms Recipe by Relish Contributor Yield 8 servings A new spin of classic mashed potatoes stars sour cream, fresh mushrooms and fresh dill. PrintEmail Ingredients 5 pounds russet or all-purpose potatoes, peeled and cut into large cubes Salt, to taste Water5 tablespoons butter or butter/canola oil substitute2/3 cup 2 percent milk, warmed1 cup fat-free sour cream6 sprigs dill, chopped Freshly ground black pepper, to taste2 cups chopped mushrooms Instructions Cook potatoes in large pot of boiling salted water 20 minutes until tender. Drain potatoes and return to same pot. Stir over medium heat 1 minute until excess moisture evaporates; remove from heat. Add 4 tablespoons butter to potatoes and mash well. Add 2/3 cup milk and mix, adding more milk gradually to reach desired consistency. Add sour cream and dill. Season potatoes with salt and pepper. Melt remaining tablespoon butter in a skillet over medium-high heat. Add mushrooms and saute 2 minutes until tender. Fold into potatoes and serve.