Roast Garlic Mushroom Thyme

Featured in: Weekend Home Comforts

This golden sandwich combines the rich flavors of roasted garlic mashed into a fragrant paste, sautéed mushrooms infused with fresh thyme, and a creamy blend of Gruyère and mozzarella cheeses. Prepared with sourdough bread brushed with butter and grilled to crispy perfection, it's a simple yet indulgent meal that brings earthy and savory notes together beautifully. Ideal for a quick main dish, it pairs well with a fresh green salad or warm tomato soup.

Updated on Fri, 28 Nov 2025 14:44:00 GMT
Golden, gooey Roast Garlic Mushroom & Thyme Grilled Cheese served with a side of fresh tomato soup. Pin this
Golden, gooey Roast Garlic Mushroom & Thyme Grilled Cheese served with a side of fresh tomato soup. | terrawhisk.com

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

This grilled cheese quickly became a family favorite because of its rich taste and perfect texture.

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

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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This recipe always brings us together, making for warm family dinners and happy memories.

Notes

Serve with a simple green salad or tomato soup to complete the meal.

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 beautifully grilled Roast Garlic Mushroom & Thyme Grilled Cheese, showcasing melted cheese and savory mushrooms. Pin this
A beautifully grilled Roast Garlic Mushroom & Thyme Grilled Cheese, showcasing melted cheese and savory mushrooms. | terrawhisk.com

Enjoy your delicious grilled cheese fresh and hot for the best experience.

Recipe FAQs

How do you prepare the roasted garlic for this sandwich?

Slice the top off the garlic head, drizzle with olive oil, wrap in foil, and roast at 200°C (400°F) for 25–30 minutes until soft. Then squeeze out and mash the cloves into a paste.

What type of mushrooms work best for this dish?

Cremini or button mushrooms are ideal as they offer a mild yet earthy flavor that complements the roasted garlic and thyme.

Can I substitute other cheeses for Gruyère and mozzarella?

Yes, Swiss or Fontina cheese make good alternatives, maintaining the creamy melt and flavor balance.

What’s the best bread choice for grilling this sandwich?

Sourdough or country bread with a sturdy crust holds up well to grilling and provides a satisfying crunch.

How do you prevent the sandwich from getting soggy?

Spread roasted garlic paste evenly on bread, and ensure mushrooms are sautéed until liquid evaporates to keep the filling from making the bread soggy.

Roast Garlic Mushroom Thyme

Golden bread sandwich with roasted garlic paste, sautéed mushrooms, thyme, and melted Gruyère and mozzarella.

Time to prep
15 min
Time to cook
20 min
Overall time
35 min
Created by Naomi Carter


Skill level Easy

Cuisine American

Makes 2 Portions

Dietary notes Vegetarian-friendly

What you need

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

Directions

Step 01

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

Step 02

Sauté Vegetables: Warm 1 tbsp olive oil in a skillet over medium heat. Add the sliced onions and cook until softened, about 2 to 3 minutes. Stir in mushrooms and thyme, season with salt and pepper, then sauté for 6 to 8 minutes until mushrooms turn golden and liquids evaporate. Remove from heat and transfer to a plate.

Step 03

Prepare Bread: Evenly spread the roasted garlic paste on one side of each bread slice.

Step 04

Assemble: On two slices of bread, garlic side up, distribute half of the cheese evenly. Layer the sautéed mushroom mixture on top, then add the remaining cheese. Cover with the other two bread slices, garlic side down.

Step 05

Butter the Sandwiches: Spread softened butter on the outside surfaces of each sandwich to ensure a golden, crisp crust when grilled.

Step 06

Grill: Preheat a clean skillet over medium-low heat. Grill each sandwich for 3 to 4 minutes per side, pressing gently, until the bread is golden and cheese is fully melted.

Step 07

Serve: Slice sandwiches and serve hot, optionally accompanied by a fresh green salad or tomato soup.

Tools needed

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

Allergens

Review ingredients for allergies and speak with your healthcare provider if you're unsure.
  • Contains dairy (cheese, butter) and wheat (bread)
  • May contain gluten (bread); verify product labels if gluten-sensitive

Nutrition details (each serving)

This info is a reference and doesn’t replace advice from your doctor.
  • Energy: 480
  • Lipids: 27 g
  • Carbohydrates: 38 g
  • Proteins: 21 g