Some meals feel far fancier than the amount of effort required to make them.

This is one of those meals.

Golden toasted sourdough piled with buttery garlic mushrooms, wilted spinach, bubbling mozzarella, and just enough crispy edges to make you feel like you accidentally wandered into a very expensive café and somehow ended up behind the counter.

It’s warm, earthy, cheesy, deeply comforting, and surprisingly filling for something that technically still qualifies as “toast.”

Which, frankly, is one of the greatest categories of food humanity has ever created.

This open melt is perfect for cold May lunches, lazy weeknight dinners, or those evenings where you want something wholesome and comforting but absolutely do not have the emotional bandwidth for a complicated recipe.

And because it’s designed Plan4One-style, there’s no mountain of leftover mushrooms slowly turning questionable in the fridge afterwards.

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Why You’ll Love This Open Melt

• Rich café-style flavour with simple ingredients
• Vegetarian and easy to customise
• Ready in about 20 minutes
• Comforting without feeling overly heavy
• Great way to use mushrooms and spinach
• Crispy, cheesy, garlicky goodness
• Perfect cosy lunch or light dinner

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Ingredients

For the Mushroom Topping

• 150g mushrooms, sliced
• 1 teaspoon olive oil
• 1 teaspoon butter
• 2 garlic cloves, finely chopped
• 1 large handful baby spinach
• Few cracks black pepper
• Pinch salt
• Small pinch chilli flakes (optional)
• ½ teaspoon thyme leaves or parsley

For the Open Melt

• 1 large slice sourdough bread
• 50g mozzarella, grated or torn
• 1 teaspoon Dijon mustard or cream cheese (optional)

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Optional Add-Ons

This recipe is wonderfully flexible.

Try adding:

• caramelised onions
• feta cheese
• shaved parmesan
• truffle oil
• poached egg
• roast chicken
• sundried tomatoes
• balsamic glaze

Or honestly, whatever vegetables are quietly judging you from the crisper drawer.

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Equipment

• Frying pan
• Knife and chopping board
• Grill or oven grill setting
• Spatula

Minimal dishes. Maximum comfort.

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Step-by-Step Instructions

Step 1: Cook the Mushrooms

Heat olive oil and butter in a frying pan over medium heat.

Add the mushrooms and cook for about:

• 6–8 minutes

Let them properly brown before stirring too much.

Mushrooms need time to release moisture and develop flavour. Constant stirring just makes them sad and pale.

Once golden, add:

• garlic
• thyme
• black pepper
• chilli flakes if using

Cook for another 1 minute.

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Step 2: Add the Spinach

Add the spinach to the pan and cook until just wilted.

This usually takes:

• 30–60 seconds

Remove from heat.

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Step 3: Prepare the Bread

Lightly toast the sourdough slice.

Optional but highly recommended:
Spread a thin layer of Dijon mustard or cream cheese onto the toast before topping.

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Step 4: Assemble the Melt

Pile the mushroom and spinach mixture onto the toast.

Top evenly with mozzarella.

Place under a hot grill for:

• 2–4 minutes

Cook until:

• the cheese is melted
• bubbling
• lightly golden in spots

Watch closely here.

Cheese goes from “perfectly melted” to “carbonised disappointment” with surprising speed.

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Serving Suggestions

Serve with:

• tomato soup
• roasted pumpkin soup
• simple rocket salad
• crispy roasted potatoes
• pickled vegetables

Or enjoy exactly as-is while standing near the kitchen bench pretending you’ll “just sit down in a minute.”

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Nutritional Highlights

Mushrooms

Low in calories but rich in:

• antioxidants
• fibre
• B vitamins

They also provide that deeply savoury flavour that makes vegetarian meals feel genuinely satisfying.

Spinach

Adds:

• iron
• vitamin C
• folate
• colour that helps convince us we’re thriving

Mozzarella

Provides protein and calcium while melting beautifully without becoming overly greasy.

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Easy Swaps

Vegan Option

Use:

• dairy-free cheese
• olive oil instead of butter

Extra Protein

Top with:

• grilled chicken
• boiled egg
• tofu
• white beans

Gluten-Free

Use your preferred gluten-free bread.

Lower-Carb Option

Serve the mushroom topping over roasted eggplant or large grilled mushrooms instead of bread.

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Storage & Reheating

Best Eaten Fresh

The crispy toast and melted cheese are definitely at their peak immediately after cooking.

Make-Ahead Tip

The mushroom mixture can be cooked ahead and stored in the fridge for up to:

• 2 days

Then simply reheat and assemble fresh.

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Approximate Cost Per Serve (Australia)

Around:
$5.00–$7.00 AUD

Depending on the cheese and bread used.

Still significantly cheaper than most café mushroom toasts pretending to be a “small plate experience.”

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Perfect Pairings From Plan4One

This open melt pairs beautifully with:

• winter soups
• roasted vegetable recipes
• high-protein lunch ideas
• simple side salads

It also fits perfectly into meat-free meal rotations.

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Final Thoughts

This Garlic Mushroom, Spinach & Mozzarella Open Melt is proof that simple ingredients can still feel genuinely comforting, satisfying, and a little bit luxurious.

It’s warm, cheesy, earthy, crispy, and exactly the kind of low-effort meal that makes winter evenings feel far more manageable.

Especially when the alternative was staring into the fridge hoping dinner would magically organise itself.

Again.

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Enjoyed this recipe?

Save it for your next cosy lunch craving, share it with another mushroom-loving solo eater, or experiment with your own toppings and flavour combinations.

Because once you realise how easy café-style melts are to make at home, your wallet may never emotionally recover from how much takeaway money could have been saved earlier.