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a white pizza sliced on a marble slab and topped with caramelized onions, gruyere cheese, and rosemary sprigs
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4.50 from 4 votes

Caramelized Onion Pizza Recipe

Caramelized Onion Pizza is a white pizza that is brushed with olive oil and topped with caramelized onions, fresh rosemary, and rich Gruyere cheese. The unique flavors combine to create a pizza that can be sliced super thin and served as an appetizer or served with a salad as the main event.
Prep Time1 hour
Cook Time12 minutes
Total Time1 hour 12 minutes
Course: Main Dish
Cuisine: Italian
Keyword: flatbread, homemade pizza, kid-friendly, vegetarian meal, weeknight-friendly
Servings: 6
Author: Jess Smith via Inquiring Chef
Cost: $9.00

Equipment

  • Sheet Pan or Pizza Stone
  • Large Skillet

Ingredients

For the Onions:

  • 1 tablespoon extra virgin olive oil
  • 1 tablespoon butter
  • 1 pound onions, thinly sliced (yellow, white, or red onions will work)
  • 1/2 teaspoon kosher salt
  • 1/2 teaspoon sugar (optional)

For the Pizza:

  • 1 pound pizza dough (use your favorite dough, store-bought or homemade)
  • 3 tablespoons extra virgin olive oil
  • 6 ounces grated gruyere cheese
  • 1 sprig fresh rosemary, leaves finely chopped (substitute fresh thyme leaves)

Instructions

  • If you are using fresh store-bought or homemade dough that has been refrigerated, set it out on a lightly floured surface and let it rest for 30 minutes before making your pizza. (The gluten in the dough will relax as it comes to room temperature and the pizza will be easier to work with.)
  • Caramelize onions: Heat a large skillet with olive oil (portion for onions) and butter over medium-high heat. Add the onions and cook for about 5 minutes, stirring occasionally, until they start to soften. Sprinkle onions with salt and sugar (if using). Reduce the heat to low-medium and continue to cook onions, stirring often, until they are dark golden brown and super tender, 25 to 30 minutes.
  • Preheat the oven to 500°F / 260°C. (If using a pizza stone, make sure the stone is in the oven as it heats.)
  • Prepare the pizza dough by stretching it out on a sheet pan or on the counter (if you are using a pizza stone / pizza peel).
  • Drizzle the pizza dough with 3 tablespoons of olive oil. Top with cheese, onions, and rosemary.
  • Bake the pizza until crust is golden brown and cheese is melted, 8 to 11 minutes.
  • Slice and serve.

Notes

Onions - Depending on the thickness of the onion slices and the type of onions, it can take 25 to 45 minutes to caramelize onions. This can be done up to 5 days ahead, so it’s a great idea to caramelize the onions ahead of time and refrigerate them until you’re ready to make the pizza.
Pizza Dough -  Pizza dough is great if made ahead and aged in the fridge. Make it up to 5 days ahead and refrigerate it in a bowl or plastic bag with a generous coating of olive oil. Try it with this No-Knead Pizza Dough.

Nutrition

Calories: 434kcal | Carbohydrates: 44g | Protein: 15g | Fat: 23g | Saturated Fat: 8g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 10g | Trans Fat: 0.1g | Cholesterol: 36mg | Sodium: 961mg | Potassium: 134mg | Fiber: 2g | Sugar: 8g | Vitamin A: 329IU | Vitamin C: 6mg | Calcium: 305mg | Iron: 2mg