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Potato and Kale Frittata

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Potato and Kale Frittata

Potato and Kale Frittata
New Media Publishing / Photography: Flat Art / Stylist: Abigail Donnelly
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total prep
Inspired by the Spanish tortilla, an egg and potato cake that's a regular at tapas bars, but turned off by the shenanigans involved in cooking it the classic way (sliding it out of the pan, flipping it over and sliding it back into the pan to finish cooking), I applied Italian frittata methodology to the ingredients (no flipping involved) to make it a lot easier, added some kale for color and vitamins, then finished it off with a little cheese because, let's be honest, a little cheese makes most things even better.


  • 3 tablespoons olive oil
  • 1 pound boiling potatoes, peeled and cubed into 1/2-inch pieces
  • 1 medium onion, chopped
  • 2 cloves garlic, chopped
  • 1/2 pound kale, chopped, including ribs and some stems
  • 1/2 to 1 cup water
  • 6 large eggs
  • 1/4 cup milk
  • 1/2 cup grated Parmesan cheese


  • Preheat broiler.
  • Heat oil in a heavy ovenproof 10-inch skillet (preferably cast-iron; not non-stick) over moderately high heat until shimmering and stir in potatoes with ½ teaspoon salt. Reduce heat to moderately low and cook, covered, stirring and turning occasionally, until tender, about 10 minutes. Transfer potatoes with a slotted spoon to a bowl.
  • Add onion with a ¼ teaspoon salt to skillet and cook, covered, over moderate heat, stirring occasionally, until softened, about 5 minutes. Add garlic and cook, stirring, 1 minute.
  • Add ½ cup water, then add kale by handfuls, cooking each handful, covered, until slightly wilted, about 1 minute, before adding next. When all kale is added, continue to cook, covered, until tender, about 5 minutes. (Check occasionally to make sure water has not completely evaporated and add just enough additional, if necessary, to keep kale from burning.)
  • Stir in potatoes and season mixture with salt and pepper.
  • Whisk eggs well with milk, ¼ teaspoon salt and ¼ teaspoon pepper and pour over vegetables. Cook, lifting up cooked egg around edge to let uncooked egg flow underneath, for 2 minutes. Reduce heat to low and cook, covered, until set 1-inch from edge (center will still be loose), 4 to 5 minutes.
  • Remove lid. Sprinkle cheese evenly over frittata and broil, 5 to 6 inches from heat, until center of frittata is set, 2 to 4 minutes.