Caramelized onion pizza
A 12-inch pizza with a crisp-chewy yeast crust, slowly caramelized onions, mozzarella, and a little Parmesan. The onions are cooked low and slow until deep golden and jammy, then layered over the dough with cheese so the pie bakes into a savory, slightly sweet, well-browned finish. Makes 1 large pizza, 2 servings.

Estimated calories and US ingredient costs.
This recipe is designed for one 12-inch pizza. For two pizzas, divide the dough after the first rise and use two separate pans or a hot pizza stone, but keep the oven temperature the same. Do not double the bake time; bake each pizza separately or one at a time for even browning. The oil listed is fully included in the batch weight and kcal.
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Ingredients
For 2 people
- 2 cups all-purpose flour
- 1 tsp instant yeast
- 1 tsp granulated sugar
- 3/4 tsp fine salt
- 3/4 cup warm water
- 3 tbsp olive oil
- 8 oz yellow onion, thinly sliced
- 1 tbsp water
- 1 tsp balsamic vinegar
- 1 cup shredded low-moisture mozzarella
- 1/4 cup grated Parmesan cheese
- 1 tbsp cornmeal
- 1/4 tsp dried oregano
- 1/4 tsp red pepper flakes
Method
- Make and rest the doughIn a medium bowl, whisk together 2 cups all-purpose flour, 1 tsp instant yeast, 1 tsp granulated sugar, and 1/2 tsp fine salt. Stir in 3/4 cup warm water and 1 tbsp olive oil until a shaggy dough forms. Knead in the bowl or on a lightly floured counter for 4 to 5 minutes until smoother and elastic. Cover and let rise at room temperature until doubled, about 60 minutes.
- Start the onions low and slowWhile the dough rises, heat 1 tbsp olive oil in a 10-inch skillet over medium-low heat. Add 8 oz thinly sliced yellow onion and 1/4 tsp fine salt. Cook, stirring every few minutes, for 15 to 20 minutes until soft and pale gold. If the pan looks dry before the onions are tender, add 1 tbsp water to keep them from scorching.
- Deepen the onion flavorContinue cooking the onions over medium-low for 5 to 10 minutes more, stirring more often near the end, until they are mahogany brown, sticky, and reduced. Stir in 1 tsp balsamic vinegar and cook for 30 seconds to glaze the pan. Remove from the heat and let the onions cool briefly so they do not melt the dough before baking.
- Shape the pizza baseHeat the oven to 475 F with a rack in the lower third. Lightly oil a 12-inch pizza pan or baking sheet with 1 tbsp olive oil, then sprinkle with 1 tbsp cornmeal. Punch down the dough and press it into a 12-inch round or oval, making the center slightly thinner than the rim. If the dough springs back, rest it for 5 minutes and continue shaping.
- Add sauce-free toppingsBrush the dough lightly with the remaining 1 tbsp olive oil, then spread the caramelized onions over the surface, leaving a 1/2-inch border. Top with 1 cup shredded low-moisture mozzarella and 1/4 cup grated Parmesan cheese. Finish with 1/4 tsp dried oregano and 1/4 tsp red pepper flakes.
- Bake until brownedBake for 12 to 15 minutes, rotating once halfway through, until the crust is browned on the edges and the cheese is fully melted with a few deep golden spots. If the bottom is pale, slide the pizza directly onto the oven rack for the last 1 to 2 minutes. Keep an eye on the onions so they do not darken too much.
- Rest and sliceLet the pizza rest on the pan or a cutting board for 5 minutes so the cheese sets and the slices hold together. Cut into 4 wedges for a main course or 6 smaller pieces as an appetizer. Serve warm while the crust is still crisp at the edges and the onions are glossy.
- Finish for servingFor the cleanest slices, use a sharp knife or pizza wheel and wipe it between cuts. If you want a slightly richer finish, drizzle a tiny extra thread of olive oil over the top after baking rather than before, which keeps the crust from getting greasy.
Before you cook
What to get ready
Mixing bowl, rolling pin or floured work surface, baking tray or stone as directed and oven mitts.
Start the onions while the dough rises and let their moisture cook off before topping.
If something needs adjusting
Onions burn during baking
Distribute them beneath some of the cheese and avoid thin exposed piles around the edge.
Dough springs back while shaping
Cover and let it relax briefly, then continue stretching gently. Forcing tight dough makes thin patches and tears.
Store for later
Refrigerate pizza promptly in portions. Reheat to 165°F in an oven or skillet for a firmer base; freeze slices with separators for easier portioning.
Refrigerate perishables within 2 hours, or 1 hour above 90°F. Keep the fridge at 40°F or below; use refrigerated leftovers within 3–4 days. USDA storage and reheating guidance.
Make the ingredients go further
Use extra caramelized onions in grilled cheese.
Next use for your ingredients: French onion grilled cheese →
Calculate this meal with your own prices →
Cooking notes updated October 24, 2026. How we create recipes.
Tips, swaps and questions
A little kitchen know-how
Caramelize the onions patiently in a wide skillet so moisture can evaporate instead of steaming them. If they start to stick before they are evenly browned, lower the heat and add a teaspoon of water, not more oil. A sauce-free pizza works best here because the onions already provide moisture and sweetness.
Make it work for you
For a sharper, more savory pie, swap up to half of the mozzarella for crumbled goat cheese or fontina, but keep the total cheese amount the same so the crust does not get overloaded. If you use red onions, cook them a little longer because they hold more moisture and can stay sweeter and softer than yellow onions.
Use more of your instant yeast and mozzarella in anchovy olive pizza.
Can I make the onions ahead of time?
Yes. Caramelized onions can be cooked 3 to 4 days ahead and refrigerated in a covered container. Rewarm them briefly in a skillet or microwave before topping the pizza so they spread easily and do not chill the dough. Refrigerate leftovers within 2 hours and reheat slices to 165 F for best texture.
Times are estimates. Check ingredients for allergens. For safe temperatures and storage, see FoodSafety.gov.