Elevate your grilled cheese with this Mushroom Grilled Cheese Sandwich. Sautéed mushrooms with butter and savory seasonings are piled onto thick sourdough with pepper jack and provolone cheeses, juicy tomato slices, and a touch of mayo for grilling. Perfect for lunch, dinner, or a decadent breakfast.
All The Things You’ll Love About Mushroom Grilled Cheese
This mushroom grilled cheese balances deep umami from the mushrooms with oozy, melted cheese for a satisfying bite every time. It works well for lunch, dinner, or an indulgent breakfast and makes a great vegetarian option for Meatless Mondays. The recipe is simple and comes together quickly—about 25–30 minutes—so it’s ideal for busy weeknights or a relaxed weekend meal.
Mushrooms offer a hearty, meat-like texture and a rich savory flavor that pairs beautifully with melty cheese and tomatoes. Layered between slices of sturdy sourdough, these ingredients create more than a sandwich — they create a memorable, flavorful experience.
Simple Ingredients For Grilled Mushroom Sandwich
Just a few common ingredients make this sandwich delicious. Exact measurements are in the recipe card below.
- Bread – Thick slices of sourdough are ideal to support the filling; use your favorite sturdy bread if preferred.
- Mushrooms – Cremini or baby Bella give a meaty texture and rich umami flavor.
- Seasoning – A balanced all-purpose seasoning works well; use what you enjoy.
- Cheese – Pepper jack for a bit of heat and provolone for meltiness make a great combination.
- Butter – For sautéing the mushrooms to golden brown.
- Tomato – Optional, but adds brightness and balances the richness.
- Mayo – Spread on the outside of the bread for grilling; it browns nicely and gives a subtle tang. Butter can be used instead.
- Salt and pepper – To taste.
Variations
- Add other veggies – Try grilled onions, zucchini, roasted red peppers, or sautéed spinach in place of or alongside mushrooms.
- Swap the cheese – Cheddar, Monterey Jack, mozzarella, or gruyere all melt well and change the flavor profile.
- Try different seasonings – Italian seasoning, garlic powder, oregano, or thyme can be used to season mushrooms.
How To Make Mushroom Grilled Cheese
Full instructions are in the recipe card below; a brief overview:
- Sauté mushrooms – Melt butter in a large skillet, add sliced mushrooms and seasoning, and cook until the liquid has evaporated and the mushrooms are golden brown.
- Build the sandwich – Place a layer of pepper jack on one bread slice, top with mushrooms, add tomato slices, and finish with provolone.
- Assemble – Place the top bread slice on, spread a thin layer of mayo or butter on both outer sides, and prepare to grill.
- Grill – Toast each side in the same skillet over medium-low heat (covered) until the bread is golden and the cheese is fully melted. Slice and serve warm.
Helpful Tips
- Use thicker bread. A hearty slice of sourdough or similar sturdy bread holds the filling without becoming soggy.
- Control the heat. Grill over medium-low so the bread browns slowly while the cheese melts—avoid high heat that burns the bread before the center is warm.
- Choose the right pan. A non-stick or well-seasoned cast iron skillet prevents sticking and helps achieve even toasting.
Common Questions
Cook all excess liquid out of the mushrooms while sautéing. If tomatoes are very juicy, remove the seeds or pat them dry before assembling.
For best texture and flavor, assemble and grill just before serving. Preassembled sandwiches tend to get soggy.
Mushroom Grilled Cheese Sandwich
Equipment
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1 large skillet with fitted lid
Ingredients
- 1 tablespoon butter
- 8 ounces cremini or baby Bella mushrooms, sliced
- 1 ½ teaspoon seasoning (such as Salad Supreme or your favorite blend)
- 4 thick bread slices (sourdough recommended)
- 4 provolone cheese slices
- 3 pepper jack cheese slices
- 4 tomato slices
- 2 tablespoon mayo (or butter for grilling)
Instructions
-
Heat a large skillet over medium heat and melt the butter. Add the sliced mushrooms and seasoning. Sauté until mushrooms are golden, tender, and any released liquid has evaporated.
1 tablespoon butter
8 ounces mushrooms, sliced
1 ½ teaspoon seasoning
Build Sandwich
-
Place about 1½ slices of pepper jack on one half of each bread slice (three slices divided between two sandwiches).
4 slices of bread
3 slices pepper Jack cheese
-
Divide the sautéed mushrooms between the two sandwiches, add tomato slices, season lightly with salt and pepper, and top with provolone (about 2 slices per sandwich).
sautéed mushrooms
4 tomato slices
4 slices provolone cheese
salt and pepper to taste
-
Top with the remaining bread slice and spread a thin layer of mayo or butter on both outer sides. Grill in the skillet over medium-low heat, covered, until the first side is golden (about 4–5 minutes). Flip carefully and cook another 3–4 minutes until golden and the cheese is melted. Slice and serve.
Notes
Nutrition facts are per sandwich and are approximate.
Nutrition
More Great Sandwiches To Try
If you enjoy this mushroom grilled cheese, explore other hearty sandwiches like a Denver breakfast sandwich with eggs and veggies, a roasted turkey pesto for a fresh herby flavor, a slow cooker pulled BBQ chicken for smoky comfort, or an ultimate chicken melt for another cheesy, satisfying option.
Note: Nutrition and product references on the original site were provided as estimates and recommendations; use your preferred brands and adjustments as needed.