Upside Down Potato & Onion Tart

Total Time
1hr 5mins
Prep
15 mins
Cook
50 mins

The onions caramelize while the potatoes are cooking and when you turn them out of the pan they are gorgeous on the plate. The flavor combination is really heavenly. It's a great side dish or accompaniment for steak and roasts. From Hizzoner's Deli. Enjoy!

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Ingredients

Nutrition
  • 2 12 tablespoons butter
  • 12 sprigs thyme, strip the leaves from the stems
  • 1 large onion, sliced somewhat thickly (a tad more than 1/4 inch thick)
  • 1 lb waxy red potatoes, washed and very thinly sliced
  • 2 tablespoons olive oil
  • 12 cup grated gruyere cheese
  • 12 cup crumbled feta cheese
  • 1 cup grated mozzarella cheese
  • sea salt and black pepper

Directions

  1. Preheat oven to 400*F.
  2. Melt the butter in a 9-10 inch ovenproof frying pan (cast iron is great) over medium heat. Add the thyme and onion and cook for 5 minutes. Spread out evenly in the pan.
  3. Place the potato, oil, cheeses, salt and pepper in a bowl and toss to combine.
  4. Top the onion with the potato mixture, spreading out evenly over the onions, and bake for 45 minutes or until golden brown and cooked through. Turn upside down to serve.
Most Helpful

4 5

This was delicious. The butter and onion aromas made my mouth water.. My husband woofed it down. I will make this dish again. Even though I coated the pan with butter as directed, it stuck to the pan. I will use non stick spray and lower the temperature to 375 degrees.