Roast Garlic Mushroom Thyme

Featured in: Vegetarian & Plant-Based Grill

This dish highlights roasted garlic's depth, combined with tender sautéed mushrooms and fragrant thyme layered with melted Gruyère and mozzarella cheeses. Each slice of crusty sourdough bread is brushed with butter and grilled to golden perfection, creating a rich and satisfying blend of textures and flavors perfect for a quick, comforting meal.

Updated on Fri, 28 Nov 2025 12:27:00 GMT
Golden-brown Roast Garlic Mushroom & Thyme Grilled Cheese, oozing with melted Gruyère and mozzarella. Save
Golden-brown Roast Garlic Mushroom & Thyme Grilled Cheese, oozing with melted Gruyère and mozzarella. | bitegrill.com

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

Ingredients

  • 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):
  • 120 g (4 oz) Gruyère cheese: grated
  • 120 g (4 oz) mozzarella cheese: grated
  • 2 tbsp unsalted butter: softened
  • 4 slices sourdough or country bread:
  • 2 tbsp olive oil:
  • Salt and freshly ground black pepper: to taste

Instructions

Step 1:
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
Step 2:
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
Step 3:
Spread roasted garlic paste evenly onto one side of each bread slice
Step 4:
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
Step 5:
Spread butter on the outside of each sandwich
Step 6:
Heat a clean skillet over medium low Grill sandwiches 3 4 minutes per side, pressing gently, until bread is golden and cheese is melted
Step 7:
Slice and serve hot
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| bitegrill.com

Notes

For extra flavor, add a splash of balsamic vinegar to the mushrooms while sautéing Swiss or Fontina cheese work well as substitutes Serve with a simple green salad or tomato soup

Required Tools

Oven Skillet Knife Cutting board Cheese grater Foil

Allergen Information

Contains dairy (cheese, butter) wheat (bread) May contain gluten (bread) check labels if gluten sensitive

A close-up shot of a savory Roast Garlic Mushroom & Thyme Grilled Cheese, sliced and ready to serve. Save
A close-up shot of a savory Roast Garlic Mushroom & Thyme Grilled Cheese, sliced and ready to serve. | bitegrill.com

Recipe FAQ

How do you roast the garlic for best flavor?

Slice the top off a garlic head, drizzle with olive oil, wrap in foil, and roast at 200°C for 25–30 minutes until soft and fragrant.

Which mushrooms work best for sautéing?

Cremini or button mushrooms provide a tender texture and earthy flavor when sautéed with onions and thyme.

Can I substitute other cheeses for Gruyère and mozzarella?

Swiss or Fontina cheeses are excellent alternatives that melt well and complement the savory ingredients.

What is the best method to achieve crispy bread outside?

Spread butter on the bread's exterior and grill it in a skillet over medium-low heat, pressing gently until golden brown.

Any tips to enhance mushroom flavor?

Adding a splash of balsamic vinegar during sautéing deepens the mushrooms' flavor with a subtle tang.

Roast Garlic Mushroom Thyme

Savory blend of roasted garlic, mushrooms, thyme, and melted cheese on crispy bread with golden crust.

Prep duration
15 min
Cook duration
20 min
Complete duration
35 min
Created by Ethan Walker


Skill Level Easy

Heritage American

Output 2 Portions

Dietary considerations Meat-Free

Components

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, to taste
03 Freshly ground black pepper, to taste

Method

Phase 01

Roast the 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 25–30 minutes until soft. Squeeze out the cloves and mash into a paste; set aside.

Phase 02

Sauté vegetables: Heat 1 tbsp olive oil in a skillet over medium heat. Add onions and cook for 2–3 minutes until softened. Add mushrooms and thyme, season with salt and pepper, and sauté 6–8 minutes until mushrooms are golden and moisture has evaporated. Transfer to a plate.

Phase 03

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

Phase 04

Assemble sandwiches: On two bread slices (garlic side up), layer half the cheese mixture, then the mushroom mixture, followed by the remaining cheese. Cover with the other slices, garlic side down.

Phase 05

Butter and grill sandwiches: Spread softened butter on the outside of each sandwich. Heat a clean skillet over medium-low heat and grill sandwiches for 3–4 minutes per side, pressing gently, until bread is golden and cheese is melted.

Phase 06

Serve warm: Slice sandwiches and serve immediately while hot.

Tools needed

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

Allergy details

Review each ingredient for potential allergens and consult with healthcare providers if you're uncertain about sensitivities.
  • Contains dairy (cheese, butter) and wheat (bread). May contain gluten; verify if gluten-sensitive.

Nutritional information (each portion)

These values are provided as estimates only and shouldn't replace professional medical guidance.
  • Energy: 480
  • Fats: 27 g
  • Carbohydrates: 38 g
  • Proteins: 21 g