Recipe

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Savory, cheesy, and satisfying, this easy mushroom grilled cheese is the ultimate school lunch upgrade!

Mushroom grilled cheese brings serious flavor with almost no effort. Plus, with the packing tips below, it stays crunchy and fresh until lunchtime!

two halves of a mushroom grilled cheese, stacked

Mushroom Grilled Cheese for Teens

I've pretty much nailed school lunches that don't break the bank and keep up with my son's appetite (seriously, it’s bottomless). Today, I’m using mushrooms for an affordable and simple way to turn a grilled cheese into something next-level!

Similar to my leftover chicken lunchbox and burrito bowl, this grilled cheese is low-effort but big on flavor and protein to satisfy even the hungriest teens. Plus, it takes just minutes if you use leftover sautéed mushrooms-just stack and grill!

What You Need

What I love about this mushroom grilled cheese is that it's simple to make but feels totally gourmet. You can find exact measurements in the printable recipe card below:

Bread: Sourdough, whole wheat, or any other sturdy bread.
Cheese: Gruyère, Swiss, provolone and cheddar are all great options that pair great with mushrooms.
Mushrooms: Cremini, white button, or portobello mushrooms have a hearty, meaty texture that's perfect for this sandwich. Sautéing them brings out their rich, savory flavor.
Butter: for grilling.

How to Assemble a Mushroom Grilled Cheese

This sandwich loaded with umami goodness is not your everyday grilled cheese! Follow these tips to make it irresistible and keep the crunch!:

Sauté the mushrooms
If you don’t have leftover murshoorms, you can easily sauté them fresh in a pan with butter (or a little oil) until tender. Add a pinch of salt and garlic for extra flavor.
Assemble sandwich
Spread butter on the outside of each slice (this is the secret to that crisp, golden crust!), then layer cheese, sautéed mushrooms, and another layer of cheese and close with buttered sides facing out. This extra cheese barrier helps keep the bread from getting soggy from the mushrooms.
Grill it!
Heat a pan over medium heat and grill for 2-3 minutes, until golden brown. Flip and cook the other side until crispy and the cheese is perfectly melted. Or skip the pan completely and try this fool-proof method to air-fry a grilled cheese!
Pack it for school
Let your sandwich cool completely before slicing it in half and placing it in a hard, lunch container. Pack healthy sides like fruit and veggies separate.

Keeping Mushroom Grilled Cheese Crunchy & Fresh

Now that we have an epic grilled sandwich, we want to keep it crispy until lunchtime. Here's how:

Use the right container
A hard, sandwich-sized container is the best way to keep everything in place and prevent a squished lunch.

Keep it cool
While not necessary for the grilled cheese sandwich, adding an an ice pack to the lunch bag will keep fresh sides, like fruit, yogurt, or veggies, cool and safe.

Layer strategically
Place the cheese on both sides of the mushrooms so the melted cheese creates a barrier, keeping the bread from getting soggy.

Choose sturdy bread
Thick-cut sourdough or hearty whole wheat hold up best and stays crispy longer than softer sandwich bread.

Let it reach room-temp
Packing a hot sandwich too soon traps steam, making the bread soft. Let it cool completely before packing.

More School Lunch Grilled Cheese Recipes

If you’re craving more crispy, melty goodness, try a sourdough grilled cheese or go for a Caprese grilled cheese with fresh basil, tomato, and mozzarella. Leftover pineapple? Hawaiian grilled cheese sandwich to the rescue!

Mushroom Grilled Cheese

Servings: 1

Prep Time: 5

Total Time: 5

Savory, cheesy, and satisfying, this easy mushroom grilled cheese is the ultimate school lunch upgrade!

5 from 4 votes

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Ingredients

2 slices of sandwich bread
½ cup sautéed mushrooms
2 slices of cheese, or enough to cover bread
Butter, for grilling

Instructions

Assemble the sandwich

Spread butter on the outside of each slice, then layer cheese, sautéed mushrooms, and another layer of cheese between the bread, buttered sides facing out.

Grill it

Heat a pan over medium heat and grill for 2-3 minutes, until golden brown. Flip and cook the other side until crispy and the cheese is melty. Remove from heat and let it cool.

Pack it for lunch

Slice the cooled sandwich in half and pack it in a hard lunch container. Keep any sides like fruit and veggies in a separate compartment or container. Use an ice pack, if necessary.