Elevate your grilled cheese with a savory Mushroom Grilled Cheese Sandwich. Tender mushrooms sautéed in butter with savory seasonings are piled on thick sourdough bread with pepper jack and provolone cheeses and optional tomato for a perfectly balanced, melty sandwich any time of day.
All The Things You’ll Love About Mushroom Grilled Cheese
This Mushroom Grilled Cheese Sandwich offers deep umami from sautéed mushrooms and the irresistible pull of melted cheese. It’s satisfying for lunch, dinner, or an indulgent breakfast and makes a great vegetarian option for Meatless Mondays. The sandwich comes together quickly—about 25–30 minutes—using simple ingredients and basic techniques, making it an easy crowd-pleaser.
Mushrooms provide a meaty, hearty texture that pairs beautifully with melty cheese and juicy tomato slices. When seasoned and sautéed until golden, they add rich flavor and depth to a classic grilled cheese. The result is more than a sandwich—it’s a comforting, flavorful meal that develops a lovely balance of textures and tastes.
Simple Ingredients For Grilled Mushroom Sandwich
A handful of pantry staples is all you need. Exact amounts appear in the recipe card below.
- Bread – Thick slices of sourdough work especially well; use your favorite hearty bread.
- Mushrooms – Cremini (baby Bella) are ideal for their meaty texture and deep flavor.
- Seasoning – A savory all-purpose blend complements the mushrooms; use your preferred seasoning.
- Cheese – A combination of pepper jack (for a little heat) and provolone (for meltability) gives great flavor and stretch.
- Butter – For sautéing the mushrooms.
- Tomato – Optional, but it adds freshness and acidity to balance the richness.
- Mayo – Used to grill the bread for a golden, tangy crust; you can substitute butter if you prefer.
- Salt and pepper – To taste.
Variations
- Add other veggies – Swap or add grilled onions, zucchini, roasted red peppers, or sautéed spinach.
- Try different cheeses – Cheddar, Monterey Jack, mozzarella, or gruyere also melt well and change the flavor profile.
- Change the seasonings – Italian seasoning, garlic powder, oregano, or thyme all work nicely; use what you love.
How To Make Mushroom Grilled Cheese
Full ingredient amounts and step-by-step instructions are in the recipe card below.
- Sauté mushrooms: Melt butter in a large skillet, add sliced mushrooms and seasoning, and cook until the mushrooms are golden and any liquid has evaporated.
- Build the sandwich: Layer pepper jack cheese on one bread slice, top with mushrooms and tomato, then add provolone.
- Assemble and coat: Top with the remaining bread slice and spread the outer sides with a thin layer of mayo or butter.
- Grill: Cook the sandwich in the skillet over medium-low heat, covered, until the bread is golden and the cheese is melted, flipping once. Slice and serve warm.
Helpful Tips
- Use a thicker bread: Choose sturdy slices (sourdough or country loaf) so the sandwich holds the fillings without collapsing.
- Keep the heat moderate: Cook over medium-low so the bread browns slowly and the cheese melts fully without burning.
- Choose the right pan: A non-stick or well-seasoned cast iron skillet makes flipping and grilling easier and prevents sticking.
Common Questions
Make sure the mushrooms are cooked until any released liquid has evaporated. If your tomatoes are very juicy, remove the seed pulp before adding them to the sandwich.
For the best texture and melted cheese, assemble and grill right before serving rather than assembling far in advance.
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 salad supreme seasoning or your preferred blend
- 4 thick bread slices (sourdough recommended)
- 4 provolone cheese slices
- 3 pepper jack cheese slices
- 4 tomato slices
- 2 tablespoon mayo or use butter
Instructions
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Heat a large skillet over medium heat and melt the butter. Add the sliced mushrooms and seasoning, and sauté until they are golden brown and tender. Cook until any released liquid has evaporated so the mushrooms are not soggy.
1 tablespoon butter
8 ounces mushrooms, sliced
1 ½ teaspoon seasoning
Build Sandwich
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Place one and a half slices of pepper jack cheese on one half of each bread slice (three slices total split between two sandwiches).
4 slices of bread
3 slices pepper jack cheese
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Divide the sautéed mushrooms between the two sandwiches, then add tomato slices and season lightly with salt and pepper. Finish each sandwich with provolone slices (about two per sandwich).
sautéed mushrooms
4 tomato slices
4 slices provolone cheese
salt and pepper to taste
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Top with the remaining bread, spread a thin layer of mayo or butter on the outside of each sandwich, and grill in the same skillet over medium-low heat, covered, until the bread is golden and the cheese is fully melted. About 4–5 minutes per side; adjust heat as needed.
Notes
Nutritional facts are shown per sandwich and are estimates.
Nutrition information is provided as a courtesy and should be treated as an estimate.
Nutrition
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Carbohydrates: 34g
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Protein: 20g
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Fat: 29g
More Great Sandwiches To Try
If you enjoy this recipe, try other hearty sandwiches such as a Denver breakfast sandwich with eggs and vegetables, a roasted turkey pesto sandwich for a fresh herby flavor, a slow-cooker pulled BBQ chicken sandwich for a saucy option, or a classic chicken melt for a comforting, cheesy meal.
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