Alsatian Caramelized Onion Pizza
Alsatian Caramelized Onion Pizza is my take on the Trader Joe's Tart d'Alsace. It's easy to make and a great way to use up leftovers.
Calories per serving: 194kcal
Ingredients
~~ -- For the Caramelized Onions -- ~~
- 6 (6) Onions, thinly sliced
- 2 tablespoon (2 tablespoon) unsalted butter
- ¼ teaspoon (0.25 teaspoon) Kosher Salt
- ¼ teaspoon (0.25 teaspoon) Black pepper, freshly ground
~~ -- For the Tart -- ~~
- 1 (1) pizza dough, rolled out thinly
- ¼ cup (57.5 g) Sour cream
- 1 cup (36 g) Swiss, shredded or sliced
- ¼ cup (35 g) Ham, thinly sliced
- 4 tablespoon (4 tablespoon) parmesan, grated
- 2 (2) Mushrooms, thinly sliced (optional)
- 8 (8) Black olives, whole or sliced (optional)
Instructions
Make the Caramelized Onions
- Slice the onions thinly, then dump them in the well of a slow cooker with the butter, salt, and pepper. Put the machine on low, cover it, and come back 12 hours later. All the onions will be beautifully brown and soft. There will be a liquid that needs to be evaporated. Leave the top slightly ajar and let them keep cooking for another 3 hours. You only need about 1/2 cup of these onions, just freeze the rest.
Make the Tart
- Preheat your oven to 500 F/ 260 C. It's going to take a while to get that hot, so be aware of that.
- Roll the dough out thinly. You can use a pizza pan if you want, or you can put parchment paper on a pizza peel and put the dough on that.
- Spread the sour cream on the pizza dough and cover it loosely with some of the parmesan.
- Put the onions all around with the swiss cheese, ham, mushrooms, and olives, if using. Cover with more grated parmesan.
- Bake for 15 minutes, checking at 12 minutes, or until the crust has started to brown and the cheese has all melted.
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