Buttermilk Mashed Potatoes with Country Mustard

Ingredients

• fresh parsley
• 1 ½ cups buttermilk
• ¾ cup unsalted butter
• 2 tablespoons coarse-grained Dijon mustard
• 4 pounds russet potatoes

Cook potatoes in large pot of boiling salted water until tender, about 20 minutes. Drain. Transfer potatoes to large bowl. Melt butter in medium saucepan over medium heat. Whisk in Dijon mustard. Remove from heat and whisk in 1 1/2 cups buttermilk. Using handheld electric mixer, beat potatoes unt...

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