Vegetarian Pizza Recipe with Caramelized Onions and Mushrooms

5 from 2 votes
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This Vegetarian Pizza is all about big flavor. Rich sautéed mushrooms, caramelized onions, and fresh herbs, and some spice from a drizzle of homemade hot honey. The real secret star of this veggie pizza is the pizza sauce, which is a mix of sauce and pesto.

Vegetarian Pizza with Caramelized Onions

We make pizza pretty much every Friday and when we invite our friends over for a pizza buffet party, we love to get creative. And this veggie pizza was inspired by our friends and neighbors who wanted to have a delicious no-meat pizza but not sacrifice flavor. Thus our new favorite vegetarian pizza was created.

Ingredients

  • Dough: A good pizza dough either homemade or purchased from the store or local pizzeria. Often you can buy a local dough for $5.
  • Sauce: A combination of pizza sauce and fresh pesto make this veggie pizza recipe really stand out. You can make your own or buy it from the grocery store.
  • Mozzarella Cheese: We like the fresh cheese in water. Be sure before you use it it has been removed from the water and dried with a paper towel.
  • Veggies: Caramelized onions, sauteed mushrooms, and thinly sliced jalapeños
  • Fresh Basil: Adds a bright and fresh flavor. Even after cooked.
  • Finish: A touch of flakey Maldon salt and hot honey

The Sauce

While we don’t mean to overstate the sauce, the real magic that adds a ton of flavor to this vegetarian pizza is mixing equal parts pizza sauce and fresh pesto. The savory and rich flavor from the basil and Parmesan cheese in the pesto is so good when mixed with a nice hearty pizza sauce. You can swap to just pizza sauce or just pesto – but trust us when we say mixing the two makes this pizza go from good to great.

Variations

Your imagination can go wild. If you don’t like heat you can avoid the jalapeños. What we recommend is staying with no more than 3 veggies so the pizza doesn’t fall apart when it’s being cooked.

Preparation

Caramelized Onions – Thinly slice the onion. In a skillet over medium heat add oil or butter and the onions. Stir occasionally to let the onions reduce and brown. This can take up to 20 minutes.

Browned Mushrooms – After the onions are done or in a separate skillet over medium heat add more butter or oil and roughly chopped mushrooms. Let the mushrooms sauté for 6 to 7 minutes before moving them. Then stir and continue to brown for another 5 – 7 minutes.

Prep Pizza Dough – It should already be made and ideally at or near room temperature. This makes it easier to form rather than just pulling from the refrigerator.

Cheese – We recommend fresh Mozzarella cheese in water. Prior to putting it on the pizza be sure it’s patted dry with a paper towel.

Tools and Equipment

The must have tools include a good quality IR Thermometer which can measure the temperature of the pizza stone and a good wooden pizza peel to launch the pizza. Bonus points for having a pizza turning peel as well.

Vegetarian Pizza being cooked in Gozney Dome pizza oven.

We made this vegetarian pizza recipe on our Gozney Dome outdoor pizza oven in a Neapolitan style. That means our oven is running at 900 degrees Fahrenheit with the pizza stone in the oven temping at 700 degrees F.


The best pizza tools you must have for making outdoor pizzas.


If making this in your oven be sure to cook this on a good quality pizza stone.

Vegetarian pizza loaded up and ready to go into the pizza oven.

Hot To Make the Pizza

  1. Prepare Oven: Prepare your pizza oven to the appropriate temperature. We are using a Neapolitan dough and targeting the pizza stone at 700 degrees in an outdoor pizza oven. See notes if using your oven or different style of dough.
  2. Make Pizza: Dust a small amount of flour on a wooden pizza peel. Gently form your dough into a 11 to 13-inch width. Add the following ingredients in this layer: start with the pizza sauce. Next add the mozzarella cheese. Then finish with the mushrooms, onions, jalapeños, and basil.
  3. Bake: Make sure the dough still slides on the peel. If it doesn’t then gently lift each side and add a dusting of more flour until it does slide. Then place into your pre-heated pizza oven. Gently turn the pizza using your turning peel every 15 seconds or when you see the crust near the flame bubble. Remove from pizza oven after it’s been turned 360 degrees and the crust and bottom of pizza are done (roughly 90 seconds to 2 minutes total).
  4. Finish: Drizzle the hot honey over the pizza and add the finishing salt. Slice pizza and enjoy.

See our full guide on how to make pizza in an outdoor pizza oven for more details and techniques.

Veggie pizza with mushrooms  and caramelized onions.

Modification For An Oven

Place a large pizza stone on the middle rack and set the oven at 550 degrees. Let preheat and warm for 20 minutes to get the stone up to temperature. Place the pizza on the center of the stone and bake for 5 minutes. Then using a pizza turning peel, rotate the pizza 180 degrees (most ovens the back is hotter). Bake for another 5 minutes until the crust is golden and the cheese is melted.

Other Pizza Recipes


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Vegetarian pizza on a pizza peel with hot honey drizzle.
5 from 2 votes

Vegetarian Pizza Recipe with Caramelized Onions and Mushrooms

This veggie pizza has sauteed mushrooms, caramelized onions, and loaded with fresh basil. Absolutely our favorite veggie pizza.
Prep: 15 minutes
Cook: 2 minutes
Caramelized Onions: 30 minutes
Servings: 1 pizza

Equipment

Ingredients 

  • 1 pizza dough
  • ¼ cup pizza sauce
  • ¼ cup pesto
  • ¼ cup mozzarella cheese, fresh cheese from water is best
  • 3 tablespoons caramelized onions
  • 2 mushrooms, thinly sliced and sauteed
  • 2 tablespoons sliced jalapeños
  • 6 sliced fresh basil
  • 1 tablespoon hot honey, Drizzled over finished pizza
Makes: 12inch round

Instructions 

  • Prepare Oven: Prepare your pizza oven to the appropriate temperature. We are using a Neapolitan dough and targeting the pizza stone at 700 degrees in an outdoor pizza oven. See notes if using your oven or different style of dough.
  • Make Pizza: Dust a small amount of flour on a wooden pizza peel. Gently form your dough into a 11 to 13-inch width. Add the following ingredients in this layer: start with the pizza sauce. Next add the mozzarella cheese. Then finish with the mushrooms, onions, jalapeños, and basil.
  • Bake: Make sure the dough still slides on the peel. If it doesn’t then gently lift each side and add a dusting of more flour until it does slide. Then place into your pre-heated pizza oven. Gently turn the pizza using your turning peel every 15 seconds or when you see the crust near the flame bubble. Remove from pizza oven after it’s been turned 360 degrees and the crust and bottom of pizza are done (roughly 90 seconds to 2 minutes total).
  • Finish: Drizzle the hot honey over the pizza and add the finishing salt. Slice pizza and enjoy.

Notes

Preparation:
  • Caramelized Onions – Thinly slice the onion. In a skillet over medium heat add oil or butter and the onions. Stir occasionally to let the onions reduce and brown. This can take up to 20 minutes.
  • Browned Mushrooms – After the onions are done or in a separate skillet over medium heat add more butter or oil and roughly chopped mushrooms. Let the mushrooms sauté for 6 to 7 minutes before moving them. Then stir and continue to brown for another 5 – 7 minutes.
  • Prep Pizza Dough – It should already be made and ideally at or near room temperature. This makes it easier to form rather than just pulling from the refrigerator.
Modification for Oven: Place a large pizza stone on the middle rack and set the oven at 550 degrees. Let preheat and warm for 20 minutes to get the stone up to temperature. Place the pizza on the center of the stone and bake for 5 minutes. Then using a pizza turning peel, rotate the pizza 180 degrees (most ovens the back is hotter). Bake for another 5 minutes until the crust is golden and the cheese is melted.

Nutrition

Calories: 1401kcal | Carbohydrates: 220g | Protein: 42g | Fat: 42g | Saturated Fat: 11g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 2g | Cholesterol: 27mg | Sodium: 1278mg | Potassium: 499mg | Fiber: 10g | Sugar: 50g | Vitamin A: 2345IU | Vitamin C: 45mg | Calcium: 277mg | Iron: 12mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Prep Time: 15 minutes
Cook Time: 2 minutes
Caramelized Onions: 30 minutes
Course: Entree
Cuisine: American, Italian, Pizza
Servings: 1 pizza
Calories: 1401
Keyword: vegetarian pizza, vegetarian pizza recipe, veggie pizza
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About Mary


I'm Mary, a wine/food/travel writer, Certified Sommelier, mom of twins, former vegetarian turned BBQ fanatic, runner, founder of Vindulge, and author of Fire + Wine cookbook. Thanks for stopping by!

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3 Comments

  1. 5 stars
    YUM. I love the idea of blending half pesto with half red sauce for the pizza sauce. Can’t wait to make this!

  2. There isn’t actually a recipe here??? I just have a pan of onions, some mushrooms, and room temperature pizza dough….where is the rest of the recipe??

    1. I am not sure how that ended up getting left out but thanks for mentioning. The details were in the article but we did add the details on the steps into the recipe card and the modification for an oven.