Cheese Mushroom Toasts

Cheese Mushroom Toasts

Sometimes you want something quick, easy, and filling. And, sometimes, you want something that is all of those things, as well as cheesy, messy, and loaded with carbs. Four Cheese Mushroom Toasts is just what you need! It’s one of those great weeknight dinners that just makes you feel all warm and cozy!

Prep Time10 
 Cook Time30 
 Total Time40 
 Servings servings
 AuthorLord Byron’s Kitchen


For the Mushrooms:

  • 400 grams sliced cremini mushrooms
  • 2 tablespoons salted butter
  • 1 tablespoon olive oil
  • 1 tablespoon Worcestershire sauce
  • 1/4 teaspoon salt
  • 1/4 teaspoon ground black pepper

For Cheese Spread Mixture:

  • 1/2 cup mayonnaise
  • 1/4 cup sour cream
  • 2 tablespoons melted butter
  • 2 cloves garlic, finely minced
  • 1 tablespoon dried onion flakes
  • 1/4 teaspoon ground black pepper
  • 1/2 cup grated parmesan cheese
  • 1/2 cup grated havarti cheese
  • 1/2 cup grated swiss cheese
  • 1/2 cup mozzarella cheese
  • 1/4 cup green onions, thinly sliced

Other Ingredients:

  • 4 slices sourdough bread


  • In a large skillet, over medium-high heat, add the olive oil and butter. Once teh butter is melted, add the mushrooms, salt, and ground black pepper. Stir to caot the mushrooms in the oil and butter mixture. Cook mushrooms for five minutes.
  • Add the Worcestershire sauce to the mushrooms, stir, and cook for another five minutes, or until mushrooms are a deep brown colour. Once cooked, remove from skillet and transfer to a plate to cool. Remove the better looking mushrooms, leaving behind the broken or smaller pieces. Set the reserved mushrooms aside.
  • To make the cheese spread, add the mayonnaise, sour cream, and melted butter to the bowl first. Whisk those together until combined. Next, add in the garlic, onion flakes, and black pepper. Stir those into the mayonnaise and sour cream mixture. Finally, add the four cheeses and the green onions. Fold those into the cheese until evenly dispersed throughout the mayo and sour cream. Set aside.
  • Place the bread in a single layer onto a large sheet pan. Put it under the broiler until lightly browned. Remove the bread from the oven and flip them over. Toast the second side as well.
  • Now, allow the bread to cool slightly so that the slices are just warm to the touch.
  • Fold the cooled mushrooms into the cheese mixture. Not the reserved mushrooms! Spread the cheese mixture onto each toast.
  • Top the toasts with the remaining reserved mushroom slices. Place the sheet pan back in the oven and carefully watch while the cheese began to bubble and brown.  Don’t burn the toasts, obviously, but keep them under the broiler until you are satisfied with the colour.  You will also want to make sure the cheeses are melted all the way through if you decide to be generous with the spread like I did. All in all, it will take about 3-5 minutes until a 500 degrees F broiler.
  • Top with more green onions as a garnish and serve immediately.