Roast Garlic Mushroom Thyme

Featured in: Herbal & Earthy Comforts

This comforting grilled cheese features deeply roasted garlic mashed into a paste, combined with sautéed cremini mushrooms and fresh thyme. Layered between slices of sourdough and a blend of Gruyère and mozzarella cheeses, it’s grilled to perfection until golden and melty. The sandwich delivers savory, aromatic flavors with a crisp texture, making it a satisfying and easy-to-make main dish.

Updated on Fri, 28 Nov 2025 10:13:00 GMT
Golden, cheesy Roast Garlic Mushroom & Thyme Grilled Cheese served hot, ready to enjoy. Save
Golden, cheesy Roast Garlic Mushroom & Thyme Grilled Cheese served hot, ready to enjoy. | sagekettle.com

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

I first tried this sandwich on a chilly evening and was instantly hooked by its rich flavors and satisfying texture.

Ingredients

  • Garlic: 1 head
  • Mushrooms: 200 g (7 oz) cremini or button mushrooms, sliced
  • Onion: 1 small yellow onion, thinly sliced
  • Thyme: 2 tbsp fresh thyme leaves (or 1 tsp dried)
  • Gruyère cheese: 120 g (4 oz), grated
  • Mozzarella cheese: 120 g (4 oz), grated
  • Butter: 2 tbsp unsalted butter, softened
  • Bread: 4 slices sourdough or country bread
  • Olive oil: 2 tbsp
  • Salt and pepper: to taste

Instructions

Roast garlic:
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.
Cook 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 sandwich:
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.
Butter bread:
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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This sandwich often brings my family together on cozy weekend afternoons when we share stories and laughter.

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.

Nutritional Information

Calories 480, Total Fat 27 g, Carbohydrates 38 g, Protein 21 g per serving

Crispy sourdough cradles melted cheese and savory mushrooms in a Roast Garlic Mushroom & Thyme Grilled Cheese. Save
Crispy sourdough cradles melted cheese and savory mushrooms in a Roast Garlic Mushroom & Thyme Grilled Cheese. | sagekettle.com

This grilled cheese is a simple yet gourmet treat perfect for any occasion.

Recipe Q&A

What type of mushrooms work best?

Cremini or button mushrooms are ideal for sautéing, offering a mild, earthy flavor and tender texture that complements the garlic and thyme.

How do I roast the garlic properly?

Slice off the top of the garlic head, drizzle with olive oil, wrap in foil, and roast at 200°C (400°F) for 25–30 minutes until soft and fragrant.

Can I substitute the cheese used?

Swiss or Fontina cheeses make great alternatives, providing similar meltability and flavor profiles.

What bread types are recommended?

Sourdough or country bread offer a sturdy, crispy base that holds the fillings while grilling.

How to enhance mushroom flavor?

Add a splash of balsamic vinegar during sautéing to deepen the mushrooms’ savory notes.

Roast Garlic Mushroom Thyme

A rich sandwich highlighting roasted garlic, mushrooms, thyme, and melted cheese on crisp bread.

Setup Time
15 min
Time to Cook
20 min
Total Duration
35 min
Created by Elena Brooks

Classification Herbal & Earthy Comforts

Skill Level Easy

Cuisine American

Batch Size 2 Portions

Dietary Details 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)

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

Directions

Step 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 the cloves and mash into a paste; set aside.

Step 02

Sauté vegetables: Heat 1 tbsp olive oil in a skillet over medium heat. Add the onions and cook 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 are golden and liquid has evaporated. Transfer to a plate.

Step 03

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

Step 04

Assemble sandwiches: Layer half the cheese mixture on two bread slices, garlic side up, top with mushroom mixture, then remaining cheese. Cover with remaining bread slices, garlic side down.

Step 05

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

Step 06

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

Step 07

Serve: Slice sandwiches and serve hot.

Tools Needed

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

Allergy Alerts

Review every ingredient to spot possible allergens. Consult your doctor if unsure.
  • Contains dairy (cheese, butter) and wheat (bread).
  • May contain gluten; verify labels if gluten-sensitive.

Nutrition Info (per portion)

Nutritional details are for reference and don't substitute medical advice.
  • Energy (Calories): 480
  • Lipids: 27 g
  • Carbohydrates: 38 g
  • Proteins: 21 g