Garlic Mashed Potatoes

Name: Garlic Mashed Potatoes
Prep time: 10 min
Cook time: 10 min
Total time: 20 min
Cuisine: European
Ingredients: 3 medium peeled and coarsely chopped baking potatoes; 1 teaspoon salt; 4 tablespoons at room temperature butter; 1/4 cup at room temperature sour cream; 1 teaspoon finely minced garlic; 1 tablespoon plus extra, at room temperature or warmed whole milk