Dinner/Mains

September 29, 2021

Pizza Stuffed Mushroom Burgers

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Fair warning: these burgers are MESSY. But in my opinion - the messier the meal, the better! These Pizza Stuffed Mushroom Burgers are no exception. 

Stuffed mushrooms are great, pizza is great, mushroom burgers are great, so why not smash all three together into one great burger?! This is cold weather comfort food right here. There’s no grilling necessary, these burgers are all made on the stove top. They’re loaded with flavor, and super juicy, and worth every bite. Savory sausage, gooey cheese, tangy marinara sauce piled on top of a portobello mushroom and placed on a bun - these Pizza Stuffed Mushroom Burgers might be a new twist on your next pizza night!

Pizza Stuffed Mushroom Burgers are an easy meal to put together on a weeknight. Pair them with a side salad or veggie fries for a complete meal. You’ll probably have a little bit of sausage filling leftover - save it for the next day for breakfast with an egg, or lunch wrapped in a tortilla with extra marinara sauce and melted cheese!

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Ingredients assembled for Pizza Stuffed Mushroom Burgers
Assemble your ingredients.

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Sausage, onion, bell pepper, and sliced black olives in a skillet
Start by making the sausage and veggie filling.

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Preparing the portobello mushrooms for grilling
Gently scrape the gills out of the portobello mushroom caps. Brush with olive oil, sprinkle with salt and pepper, and grill. Start by grilling the bottom side first.

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Stages of building the stuffed mushrooms
Once the mushrooms are grilled on one side, flip, and start stuffing. First the sausage mixture, then marinara sauce, then top with a slice of provolone cheese.

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Placing a lid over the grill pan helps trap steam, which helps melt the cheese.
Placing a lid over the grill pan helps trap steam, which helps melt the cheese.

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A Pizza Stuffed Mushroom Burger, open-faced, with the top bun next to it along with a beer
To assemble your Pizza Stuffed Mushroom Burger, start with the bottom of a burger bun, spread it with Pesto Mayo, add a handful of baby spinach, and then place the stuffed mushroom on top. Spread the top of the bun with Pesto Mayo and place on top of the burger.

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Straight-on view of a Pizza Stuffed Mushroom Burger
Grab a napkin (or two!) and dig in!

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Pizza Stuffed Mushroom Burgers

Fair warning: these burgers are MESSY. But in my opinion - the messier the meal, the better! These Pizza Stuffed Mushroom Burgers are no exception.

Author:

Kira Freed - The Joyful Plateful

Prep:

10

min

cook:

20

min

total:

30

min

Print It

Ingredients

16 oz. (1 pound) bulk Italian sausage - plant-based or traditional

1/2 medium red onion, diced

1 bell pepper (any color), diced

3/4 cup sliced black olives

1/2 tsp. Italian seasoning

1/2 tsp. kosher salt

1/4 tsp. ground black pepper

4 portobello mushrooms

~1 Tbsp. extra-virgin olive oil

Kosher salt and ground black pepper, to taste

3/4 cup marinara sauce

4 slices provolone cheese (or mozzarella)

4 hamburger buns of your choice

Baby spinach leaves, for serving 


Pesto Mayo: 

1/4 cup prepared basil pesto 

1/2 cup mayonnaise 

Instructions

  1. Start by making the filling for the stuffed mushrooms. In a large skillet over medium heat, cook the Italian sausage until golden brown and cooked through. 
  2. Once the sausage is browned, add the diced onion and bell pepper, and cook just until beginning to soften, about 3-5 minutes. Remove the skillet from the heat, and add the sliced black olives, Italian seasoning, salt, and pepper. Set aside. 
  3. Prepare the portobello mushrooms by wiping the tops of any dirt or debris with a damp cloth. Remove the stems. Using a spoon, gently scrape out the gills of the mushrooms, being careful not to tear the edge of the cap. Brush each portobello mushroom with olive oil, and season lightly with salt and pepper. 
  4. Heat a grill pan over medium heat until warm. Place mushrooms, bottom side down, on the grill. Cook until just beginning to soften around the edges, about 5 minutes. 
  5. Flip the mushrooms so they now resemble cups. Place several spoonfuls of the reserved sausage mixture into each mushroom (load ‘em up!). Next, top each sausage-filled mushroom with about 3 Tbsp. of marinara sauce. Finally, place a slice of provolone cheese over the top of each stuffed mushroom. Cover the grill with a large heat-safe lid to trap steam and help melt the cheese. Cook about 3-5 more minutes, until cheese is melted. 
  6. Remove the stuffed mushrooms from the grill. Place each mushroom on the bottom of a bun that has been prepared with a smear of Pesto Mayo and a handful of baby spinach leaves, then place the other bun half on top. Serve, and enjoy! 

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Hi there, I’m Kira!

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March 19, 2024
Hannah
Sounds sooooo yummy. I will definitely prepare this
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