Ultimate Portobello Mushroom Pizza

Written by Beth - Budget Bytes

I don’t know if I told you, but I used to make pizzas for a living. I didn’t earn a lot, but it was definitely one of my favorite jobs ever. I had tons of gourmet ingredients at my disposal and was free to make whatever creative pizza combinations that my heart desired. My favorite pizza to make was topped with sautéed portobello mushrooms, oil-packed sun dried tomatoes, and creamy goat cheese. Those three ingredients created a stunning black, white, and red pizza that was just as delicious as it was beautiful. Todays Ultimate Portobello Mushroom Pizza is inspired by that wonderful pizza memory, using ingredients that I had in my pantry and fridge. All I had to buy today was one portobello mushroom cap!

Close up of a cooked Ultimate Portobello Mushroom Pizza still on the pizza pan.

The Tangy Pizza Sauce

Instead of buying a jar of sun dried tomatoes, I made a quick batch of my (Not) Sun Dried Tomato Sauce. This sauce is sweet, tangy, and super concentrated, very much like sun dried tomatoes. It also has a hefty dose of spices, which makes it a perfect sub for pizza sauce. WIN.

Use Homemade or Store Bought Dough:

I used my Thin & Crispy Pizza Dough recipe as the base for this pizza, but instead of rolling it out thin just after kneading, I let the dough rise for 30-45 minutes, which produced a nice light pizza crust. For a more classic pizza crust, try my Homemade Pizza Dough. If you don’t want to make your own dough, you can certainly use store bought dough. I suggest using frozen dough or dough purchased fresh from a pizzaria, and not the kind that comes in a can like biscuits.

What Size Pizza Does This Make?

Oh, also, I made this on a 12-inch pan because that’s what I have, but it probably would have been enough for a 14″ pie. You can cut it into 6 or 8 pieces, yielding 3 or 4 two-slice servings.

Side view of an Ultimate Portobello Mushroom Pizza with one slice pulled slightly out from the rest

Ultimate Portobello Mushroom Pizza - Budget Bytes
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4.86 from 7 votes

Ultimate Portobello Mushroom Pizza

Make this gourmet homemade Portobello Mushroom Pizza for a fraction of the price of take out! Use homemade dough for the best value, or store bought for convenience.
Author: Beth - Budget Bytes
Prep Time: 15 mins
Cook Time: 10 mins
Total Time: 25 mins
Servings: 3 2 slices each


(Not) Sun Dried Tomato Sauce

  • 1/4 cup olive oil ($0.64)
  • 1 clove garlic, minced ($0.08)
  • 1/2 tsp dried oregano ($0.03)
  • 1/2 tsp dried basil ($0.03)
  • 1/4 tsp dried thyme ($0.02)
  • 1/4 tsp dried rosemary ($0.02)
  • 1 pinch crushed red pepper ($0.02)
  • Freshly cracked black pepper ($0.02)
  • 1/2 tsp salt ($0.02)
  • 3 oz. tomato paste ($0.27)
  • 1/2 tsp honey ($0.02)


  • 1 large pizza dough ($0.59)
  • 1 Tbsp olive oil ($0.16)
  • 1 portobello mushroom cap ($1.91)
  • Salt and pepper ($0.05)
  • 4 oz. shredded mozzarella ($1.00)
  • 2 oz. feta, crumbled ($1.12)
  • Handful chopped parsley (optional) ($0.20)


  • Make the (not) Sun Dried Tomato Sauce first. Add the olive oil, garlic, basil, oregano, thyme, rosemary, crushed red pepper, salt, and some freshly cracked pepper to a small skillet. Stir and heat the mixture over low heat for about 3 minutes. It’s okay if it sizzles slightly, but you don’t want it to get hot enough that the herbs burn.
  • Add the tomato paste and honey. Allow it to heat through as you stir. It will not form a smooth sauce. Continue to stir and heat over low for about 5 minutes or until you notice the tomato paste has darkened slightly. Remove the sauce from the heat, then set aside.
  • Gently wash any dirt or debris off the portobello mushroom. Cut the mushroom in half, then into thin strips. Add the sliced mushroom to a large skillet with 1 Tbsp olive oil and a pinch of salt and pepper. Cook over medium heat while stirring until the mushroom slices have softened and turned dark brown (3-5 minutes). Set the cooked mushrooms aside.
  • Adjust your oven's rack to the highest position and preheat the oven to 500ºF. Stretch the pizza dough out to fit the pizza pan. Spread the
    (Not) Sun Dried Tomato Sauce over the surface of the dough and use any extra oil to brush the crust.
  • Sprinkle the mozzarella over the tomato sauce, then add the cooked mushroom pieces and crumbled feta.
  • Bake the pizza for 7-10 minutes in the fully preheated oven, or until the cheese is bubbly and slightly browned on top. Finish the baked pizza with a little chopped fresh parsley. Cut the pizza into 6 or 8 pieces and serve.


*I made the (Not) Sun Dried Tomato Sauce with only 1/4 cup oil instead of the 1/3 cup listed in the original recipe.
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Serving: 1 ServingCalories: 698.17 kcalCarbohydrates: 75.73 gProtein: 23.37 gFat: 36 gSodium: 1771.87 mgFiber: 4.33 g
Nutritional values are estimates only. See our full nutrition disclaimer here.

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Scroll down for the step by step photos!

Close up overhead view of the Ultimate Portobello Mushroom Pizza still in the pizza pan

How to Make Portobello Mushroom Pizza – Step by Step Photos

Olive Oil and Herbs in skillet

Make the (not) Sun Dried Tomato Sauce first. Add ¼ cup olive oil, 1 clove minced garlic, 1/2 tsp dried oregano, 1/2 tsp dried basil, 1/4 tsp dried thyme, 1/4 tsp dried rosemary, a pinch of red pepper flakes, a generous dose of freshly cracked pepper (10-15 cranks of a pepper mill), and 1/2 tsp salt. Heat over low for a few minutes. It’s okay if the oil sizzles just slightly, but don’t let it burn. Cooking it for a few minutes helps infuse the oil with the herbal flavor and cooks out the raw garlic flavor.

Finished Not Sun Dried Tomato Sauce

Next add 3oz. (half of a 6oz. can or about 1/3 cup) tomato paste and 1/2 tsp honey to the skillet. Cook and stir over low heat until it’s heated through and the tomato paste has darkened slightly (see the difference between the vibrant red in the last picture and this deep crimson color?). That should take about 5 minutes. Turn the heat off and set the sauce aside.

Sliced Portobello Mushroom

Gently brush or rinse off any dirt or debris from one large portobello mushroom cap. Cut the cap in half, then slice into thin strips.

Sautéed Portobello Mushrooms in the skillet

Add the sliced mushrooms to a skillet with 1 Tbsp olive oil and a pinch of salt and pepper. Sauté the mushrooms until they are softened and dark. Set the cooked mushrooms aside. (I actually just wiped out the skillet at this point and prepared my (Not) Sun Dried Tomato Sauce in the same skillet while the oven preheated.)

Tomato sauce spread on pizza dough

Adjust the oven rack to its highest position and begin to preheat the oven to 500ºF. Stretch your dough to fit your pizza pan (12 or 14 inch), then spread one batch of (Not) Sun Dried Tomato Sauce over the dough. I used my Thin & Crispy Pizza Dough recipe, but you can also use store bought. If you let the Thin & Crispy dough rise for 30-40 minutes instead of using it immediately after kneading, it becomes light and fluffy instead of thin and crispy.

Mozzarella, mushrooms, and feta added to pizza

Top the tomato sauce with 4oz. shredded mozzarella, the cooked mushrooms and 2oz. crumbled feta. You can reserve a small amount of the feta to top the pizza after it comes out of the oven for even more color contrast.

Baked Ultimate Portobello Mushroom Pizza not yet sliced, garnished with parsley

Bake the pizza in the fully preheated oven for 7-10 minutes, or until the cheese is bubbly and slightly browned. Add a handful of chopped parsley when the pizza comes out of the oven (optional). 

Baked and sliced Ultimate Portobello Mushroom Pizza on a wooden cutting board

Slice your Ultimate Portobello Mushroom Pizza into 6 or 8 pieces and serve. It’s SO HARD for me to stop at just two pieces, but I just have to remind myself that just because I CAN eat the whole thing doesn’t mean I SHOULD. :P 

Ultimate Portobello Mushroom Pizza is a gourmet pie for a frozen pizza price - BudgetBytes.com