Mushroom Grilled Cheese Sandwich

Featured in Irresistible Tasty Bites.

Rich grilled cheese sandwich featuring caramelized mushrooms, onions, and melted fontina. Takes 50 minutes total, perfect for a luxurious lunch or quick dinner.
Clare Greco
Updated on Tue, 04 Feb 2025 15:33:15 GMT
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Mushroom Grilled Cheese Sandwich | recipesbyclare.com

The ultimate comfort food gets a gourmet upgrade with this incredible mushroom grilled cheese. What started as a dreary day experiment turned into my most-requested recipe. Every bite delivers buttery, crispy bread filled with deeply caramelized mushrooms and stretchy, melted cheese that'll make you close your eyes in pure bliss.

After years of making regular grilled cheese, this version changed everything. My neighbor Jane actually started bringing me mushrooms from her garden just so I'd make these for our weekly coffee dates.

Ingredient Selection Secrets

Cremini mushrooms: Their deep, earthy flavor beats regular button mushrooms every time. Fontina cheese: The ultimate melting cheese that creates perfect cheese pulls. Real Parmigiano Reggiano: Worth every penny for that intense savory punch. Fresh thyme: Dried just isn't the same trust me on this one. Good crusty bread: Go to the bakery for this your sandwich deserves it.

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Mushroom Grilled Cheese Sandwich Recipe | recipesbyclare.com

Detailed Instructions

Mushroom Magic:
Heat your pan until the butter dances. Watch those mushrooms slowly transform to golden goodness. Let the wine work its flavor-releasing magic.
Cheese Dreams:
Mix everything while those mushrooms are still warm. Watch that cheese start getting melty and irresistible. Build your layers with care and attention.
Assembly Art:
Butter every inch of that bread. Pile your mushroom mixture high. Press it all together with love.
Golden Finish:
Listen for that perfect sizzle. Watch the edges turn crispy. Feel the warmth as cheese melts.

Last month, I brought these to my sister's dinner party. Her foodie friends wouldn't leave until I shared my secrets. Now they've started a monthly grilled cheese club!

Perfect Meal Partners

Nothing beats dipping these golden beauties into homemade tomato soup on a cold day. For fancy occasions, I'll whip up a peppery arugula salad with shaved parmesan and lemon dressing. Sometimes I'll roast some garlic and serve it alongside for an extra flavor punch. During summer, fresh gazpacho makes these sandwiches sing.

Creative Variations

The basic recipe is perfect, but sometimes I'll get creative. Wild mushroom season means experimenting with whatever looks good at the farmer's market. A drizzle of truffle oil takes things over the top. My vegetarian friends love when I add roasted red peppers and spinach. For meat lovers, adding crispy prosciutto creates an entirely new experience.

Storage Wisdom

These beauties shine brightest fresh off the griddle, when the cheese is perfectly melty and the bread has that ideal crunch. If you've got leftover mushroom mixture, it's amazing on tomorrow's eggs or stirred into pasta. Store any unused mushroom mix in an airtight container it'll make weekday sandwiches feel special.

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Mushroom Grilled Cheese Sandwich Homemade | recipesbyclare.com

The day I perfected this recipe changed how my family sees grilled cheese forever. Even my father-in-law, who claims he doesn't like \"fancy food,\" asks for these whenever he visits. There's something magical about transforming simple ingredients into something that makes people's eyes light up with the first bite.

Frequently Asked Questions

→ What's the best cheese to use?
Fontina is ideal for its meltability and flavor, but gruyere or mozzarella work great too. The parmesan adds extra savory depth.
→ Can I make the mushroom filling ahead?
Yes! Make the mushroom mixture up to 2 days ahead and store in the fridge. Reheat slightly before assembling sandwiches.
→ Is the truffle oil necessary?
No, it's optional and the sandwich is delicious without it. It just adds an extra layer of mushroom flavor.
→ What bread works best?
Any sturdy bread that can hold up to grilling works well - sourdough, country bread, or even gluten-free bread for a GF version.
→ Can I use different mushrooms?
Yes! While cremini mushrooms are specified, any mushroom variety or mix will work well in this recipe.

Caramelized Mushroom Grilled Cheese

A gourmet grilled cheese sandwich loaded with caramelized mushrooms and onions, melted fontina, and a hint of thyme.

Prep Time
10 Minutes
Cook Time
40 Minutes
Total Time
50 Minutes

Category: Tasty Bites

Difficulty: Intermediate

Cuisine: American

Yield: 2 Servings (2 sandwiches)

Dietary: Vegetarian

Ingredients

→ Mushroom Filling

01 1 tablespoon butter
02 1 tablespoon olive oil
03 8 ounces cremini mushrooms, sliced
04 1 small onion, sliced
05 1 clove garlic, chopped
06 1 teaspoon fresh thyme, chopped
07 1/4 cup white wine or broth
08 1 tablespoon fresh parsley, chopped
09 1/2 teaspoon truffle oil (optional)

→ Sandwich Assembly

10 1 cup fontina cheese, shredded
11 1/4 cup parmigiano reggiano, grated
12 2 tablespoons salted butter, room temperature
13 4 slices bread

Instructions

Step 01

Melt butter with oil over medium heat. Add mushrooms and onion, cooking until golden brown and caramelized, about 10-15 minutes.

Step 02

Stir in garlic and thyme, cooking until fragrant, about 1 minute.

Step 03

Add wine or broth, scraping up brown bits. Cook until liquid mostly evaporates, 2-3 minutes.

Step 04

Season with salt and pepper, stir in parsley, and let cool slightly. Mix in both cheeses.

Step 05

Butter one side of each bread slice. Place two slices buttered side down, top with mushroom mixture, and cover with remaining bread, buttered side up.

Step 06

Cook in preheated pan over medium heat until golden brown and cheese melts, about 2-4 minutes per side.

Notes

  1. Can use any melting cheese like gruyere or mozzarella
  2. Mushroom mixture can be made ahead

Tools You'll Need

  • Large skillet or pan
  • Grater for cheese
  • Cutting board and knife

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy (butter, cheese)
  • Contains gluten (unless using gluten-free bread)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 775
  • Total Fat: 52 g
  • Total Carbohydrate: 39 g
  • Protein: 33 g