Roast Garlic Mushroom Thyme

Featured in: Elegant Comfort Food

This sandwich blends the rich flavors of roasted garlic with sautéed mushrooms and fresh thyme, layered between slices of crispy sourdough. Melted Gruyère and mozzarella add a creamy, gooey texture, while buttered bread grills to a golden, crunchy finish. The process involves slow roasting garlic to unlock sweetness, then cooking mushrooms with thyme to deepen earthiness. The components combine for a comforting, flavorful bite perfect for a quick, satisfying meal.

Updated on Fri, 28 Nov 2025 08:04:00 GMT
Golden, melty Roast Garlic Mushroom & Thyme Grilled Cheese, showcasing crispy bread and oozing cheese. Save Pin
Golden, melty Roast Garlic Mushroom & Thyme Grilled Cheese, showcasing crispy bread and oozing cheese. | fabulousdishesby.com

A decadent grilled cheese sandwich featuring savory roasted garlic, sautéed mushrooms, fresh thyme, and gooey melted cheese on crispy golden bread.

Ingredients

  • Vegetables: 1 head garlic, 200 g (7 oz) cremini or button mushrooms, sliced, 1 small yellow onion, thinly sliced, 2 tbsp fresh thyme leaves (or 1 tsp dried)
  • Dairy: 120 g (4 oz) Gruyère cheese, grated, 120 g (4 oz) mozzarella cheese, grated, 2 tbsp unsalted butter, softened
  • Bread: 4 slices sourdough or country bread
  • Condiments & Seasonings: 2 tbsp olive oil, Salt and freshly ground black pepper, to taste

Instructions

Preheat oven:
Preheat oven to 200°C (400°F). Slice the top off the garlic head, drizzle with 1 tsp olive oil, wrap in foil, and roast for 25 30 minutes until soft. Squeeze out the cloves and mash into a paste set aside.
Sauté vegetables:
Heat 1 tbsp olive oil in a skillet over medium heat. Add the onions and cook for 2 3 minutes until softened. Add mushrooms and thyme, season with salt and pepper, and sauté for 6 8 minutes until mushrooms are golden and any liquid has evaporated. Transfer to a plate.
Prepare bread:
Spread roasted garlic paste evenly onto one side of each bread slice.
Assemble sandwiches:
Layer half the cheese mixture on two slices of bread (garlic side up), top with the mushroom mixture, then the remaining cheese. Cover with the remaining bread slices, garlic side down.
Apply butter:
Spread butter on the outside of each sandwich.
Grill sandwiches:
Heat a clean skillet over medium low. Grill sandwiches 3 4 minutes per side, pressing gently, until bread is golden and cheese is melted.
Serve:
Slice and serve hot.
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| fabulousdishesby.com

Perfectly grilled Roast Garlic Mushroom & Thyme Grilled Cheese, ready to be sliced and devoured, smells delicious. Save Pin
Perfectly grilled Roast Garlic Mushroom & Thyme Grilled Cheese, ready to be sliced and devoured, smells delicious. | fabulousdishesby.com

Recipe FAQs

How should the garlic be prepared for optimal flavor?

Roast the garlic head whole after slicing its top and drizzling with olive oil. This method softens the cloves and intensifies their sweetness, creating a smooth paste perfect for spreading.

What type of mushrooms works best for this sandwich?

Cremini or button mushrooms provide a mild, earthy flavor that complements the garlic and thyme. Slicing and sautéing them until golden enhances their taste and texture.

Can other cheeses be used instead of Gruyère and mozzarella?

Swiss or Fontina cheeses are good substitutes, offering similar meltability and a mild nutty flavor that balances the rich ingredients.

How do you achieve the crispy golden crust on the bread?

Spreading softened butter on the outside of each sandwich slice before grilling on medium-low heat ensures a crisp, golden crust while the cheese melts inside.

What seasoning enhances the mushroom mixture?

Fresh thyme leaves add a fragrant herbal note. Seasoning with salt and freshly ground black pepper brings out the natural flavors, and optionally a splash of balsamic vinegar can add depth.

Roast Garlic Mushroom Thyme

Savory sandwich with roasted garlic, mushrooms, thyme, and melted cheese on golden bread.

Prep Duration
15 min
Time to cook
20 min
Overall duration
35 min
Posted by Fabulous dishes by Vanessa Collins


Skill level Easy

Cuisine style American

Servings made 2 Number of servings

Dietary details Vegetarian-friendly

Ingredient list

Vegetables

01 1 head garlic
02 7 oz cremini or button mushrooms, sliced
03 1 small yellow onion, thinly sliced
04 2 tbsp fresh thyme leaves or 1 tsp dried thyme

Dairy

01 4 oz Gruyère cheese, grated
02 4 oz mozzarella cheese, grated
03 2 tbsp unsalted butter, softened

Bread

01 4 slices sourdough or country bread

Condiments & Seasonings

01 2 tbsp olive oil
02 Salt and freshly ground black pepper, to taste

Step-by-Step Guide

Instruction 01

Roast garlic: Preheat oven to 400°F. Slice the top off the garlic head, drizzle with 1 tsp olive oil, wrap in foil, and roast for 25 to 30 minutes until soft. Squeeze out cloves and mash into a paste; set aside.

Instruction 02

Sauté vegetables: Heat 1 tbsp olive oil in a skillet over medium heat. Cook onions for 2 to 3 minutes until softened. Add mushrooms and thyme, season with salt and pepper, and sauté for 6 to 8 minutes until mushrooms turn golden and liquid evaporates. Remove from heat and transfer to a plate.

Instruction 03

Prepare bread with roasted garlic: Spread the roasted garlic paste evenly onto one side of each bread slice.

Instruction 04

Assemble sandwiches: Distribute half of the cheese mixture onto two bread slices (garlic side up), layer with mushroom mixture, then sprinkle remaining cheese. Top with remaining bread slices, garlic side down.

Instruction 05

Butter the sandwiches: Spread softened butter on the exterior surfaces of each sandwich.

Instruction 06

Grill sandwiches: Heat a clean skillet over medium-low heat. Grill sandwiches 3 to 4 minutes per side, pressing gently, until bread is crisp and golden and cheese melts.

Instruction 07

Serve: Slice sandwiches and serve immediately while hot.

Equipment needed

  • Oven
  • Skillet
  • Knife
  • Cutting board
  • Cheese grater
  • Foil

Allergy details

Take a moment to check each ingredient for possible allergens. Always reach out to a medical expert if you're unsure.
  • Contains dairy (cheese, butter) and wheat (bread). May contain gluten; verify if gluten-sensitive.

Nutrition details by serving

These details help guide you, but be sure to consult a healthcare professional when needed.
  • Kcal: 480
  • Lipids: 27 g
  • Carbohydrates: 38 g
  • Protein: 21 g