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Zucchini and Potato Frittata

This Zucchini and Potato Frittata combines sautéed zucchini, onions and potatoes with eggs, a big splash of cream, and parmesan cheese for an easy and delicious meal any time of the day!
Prep Time5 minutes
Cook Time35 minutes
Resting Time10 minutes
Total Time50 minutes
Servings: 6
Calories: 281kcal
Author: Michelle / Now Cook This!


  • 1 tablespoon olive oil
  • 2 tablespoons butter, divided
  • 2 cups peeled and cubed potatoes, ¼-inch cubes
  • salt and pepper, to taste
  • 3 cups sliced zucchini, quarter-moon-shaped, ⅛ inch thick
  • 1 cup diced onions
  • 8 large eggs
  • cup heavy cream
  • ½ cup freshly shredded Parmesan cheese, plus extra for garnish if desired


  • Preheat the oven to 350°F.
  • In a 10-inch oven-safe and broiler-safe skillet over medium-low heat, melt the olive oil and 1 tablespoon of the butter. Add the potatoes; season with salt and pepper. Cook, stirring frequently until the potatoes are almost softened and lightly golden, about 8 to 10 minutes (note: they will continue cooking in the next step).
  • Add the remaining tablespoon of butter to the skillet along with the zucchini and onions; season with salt and pepper. Cook, stirring frequently, until the onions and potatoes have softened and the zucchini is crisp-tender, about 8 to 10 minutes.
  • In a large bowl, whisk together the eggs, the heavy cream, and some salt. Pour the egg mixture into the pan with the vegetables. Give the pan a gentle shake, if needed, to evenly distribute the eggs.
  • Cook over medium-low heat just until the edges are beginning to set, about 3 to 4 minutes.
  • Sprinkle the shredded Parmesan cheese evenly over the top of the eggs.
  • Bake in the center of the oven for 10 minutes or until the eggs are almost completely set (they should be mostly firm around the edges at this point but still be just slightly jiggly and wet in the center).
  • Leave the pan in the center oven and turn on the broiler. Broil for 5 minutes or just until the eggs are completely set (no more jiggle or wetness) and the top is very lightly golden brown. Keep a very close eye on it at this point, and be careful not to overcook!
  • Remove the pan from the oven and allow the frittata to rest for 5 to 10 minutes.
  • Slice the frittata into 6 wedges and serve. Sprinkle with extra Parmesan cheese, if desired.

Recipe Notes

  • I love the richness that heavy cream gives this frittata, but you could also use half-and-half or whole milk.
  • You can use a larger skillet (like an 11-inch or 12-inch) if that's all you have. The frittata will just be thinner, and you may need to reduce the cooking time a bit.
  • As soon as you take the pan out of the oven, I recommend putting a hot pad or oven mitt over the handle and keep it there so that you don't accidentally grab the hot handle later and burn yourself.
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