Ashley Moore teaches Bridget Lancaster how to make the leftover favorite, Mashed Potato Cakes, from scratch on Cook’s Country, Season 10, Episode Six (“Ribs and Mashed Potatoes Revisited.”)

Using two spatulas to flip the cakes helps prevent splattering. We like to change the oil after frying the first batch of cakes because any dark panko remnants left behind will freckle the second batch. You can strain the oil through a fine-mesh strainer if you prefer to reuse it, but be careful because it is very hot. Plan ahead: The cooked mashed potatoes need to chill in the refrigerator for 1 hour, which makes it easier to form the cakes.

Serves 4 to 6

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INGREDIENTS

  • 2 1⁄2 pounds russet potatoes, peeled, halved lengthwise, and sliced 1⁄4 inch thick
  • Salt and pepper
  • 1 ounce Parmesan cheese, grated (1⁄2 cup)
  • 1⁄4 cup chopped fresh chives
  • 1 large egg yolk plus 2 large eggs
  • 2 cups panko bread crumbs
  • 1 cup vegetable oil
  • Sour cream

TO PREPARE

STEP ONE. Place potatoes in medium saucepan and add water to cover by 1 inch, then stir in 1 tablespoon salt. Bring to boil over high heat. Reduce heat to medium-low and simmer until tip of paring knife inserted into potatoes meets no resistance, 8 to 10 minutes. Drain potatoes and return to saucepan; let cool for 5 minutes.

STEP TWO. Add Parmesan, chives, egg yolk, ¾ teaspoon salt, and ¼ teaspoon pepper to cooled potatoes. Using potato masher, mash until smooth and well combined. Transfer potato mixture to bowl and refrigerate until completely cool, about 1 hour.

STEP THREE. Beat remaining 2 eggs together in shallow dish. Place panko in second shallow dish. Divide potato mixture into 8 equal portions (about ½ cup each) and shape into 3-inch-diameter cakes, about 3/4 inch thick.

STEP FOUR. Working with 1 cake at a time, carefully dip cakes in egg mixture, turning to coat both sides and allowing excess to drip off; then coat with panko, pressing gently to adhere. Transfer to plate and let sit for 5 minutes.

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STEP FIVE. Line large plate with paper towels. Heat ½ cup oil in 12-inch nonstick skillet over medium-high heat until shimmering.

STEP SIX. Place 4 cakes in skillet and cook until deep golden brown on first side, about 3 minutes. Using 2 spatulas, carefully flip cakes and continue to cook until deep golden brown on second side, about 2 minutes longer, gently pressing on cakes with spatula for even browning.

STEP SEVEN. Transfer cakes to prepared plate. Discard oil and wipe out skillet with paper towels. Repeat with remaining ½ cup oil and remaining 4 cakes. Serve with sour cream.