Feta & Spinach Stuffed Grilled Cheese

Featured in: Quick Lunches

Elevate your lunch with this garlicky feta and spinach grilled cheese. Start by sautéing fresh spinach with minced garlic until wilted, then mix with crumbled feta and optional mozzarella for extra creaminess. Spread the filling between thick bread slices, butter the outside, and griddle until golden brown and melty on both sides. The result is a satisfying, flavorful sandwich that combines tangy cheese with tender greens.

Ready in just 20 minutes and perfect for a quick meal. Customize with sun-dried tomatoes or roasted red peppers if desired.

Updated on Tue, 20 Jan 2026 10:49:00 GMT
Golden-brown slices of Feta & Spinach Stuffed Grilled Cheese, oozing with melty cheese and garlicky greens.  Save
Golden-brown slices of Feta & Spinach Stuffed Grilled Cheese, oozing with melty cheese and garlicky greens. | griddleglory.com

My neighbor knocked on my door one Tuesday evening holding a bag of spinach from her garden, insisting I take it before it wilted. I had bread, feta left over from a salad, and no plan for dinner. What started as fridge rummaging turned into one of those happy accidents that you write down immediately. The smell of garlic hitting hot olive oil filled my tiny kitchen, and I knew I was onto something good.

I made this for my sister when she stopped by unannounced, stressed and hungry after a long shift. She took one bite, closed her eyes, and said it tasted like comfort. We sat at my counter, not talking much, just eating warm sandwiches with our hands. Sometimes the best meals are the ones you throw together without thinking too hard.

Ingredients

  • Fresh spinach: Two cups might look like a lot raw, but it shrinks down fast once it hits the heat, so do not worry about overstuffing.
  • Garlic clove: One clove is enough to perfume the whole filling without overpowering the feta, just let it sizzle until your kitchen smells incredible.
  • Crumbled feta cheese: This is the star, bringing sharp, salty richness that balances the mild spinach beautifully.
  • Shredded mozzarella cheese: Optional, but it adds that gooey, stretchy melt that makes biting into this sandwich so fun.
  • Unsalted butter: Softened butter spreads easily on the bread and crisps up into a golden, toasty crust.
  • Country-style or sourdough bread: Thick slices hold up to the filling and develop a perfect crunch without getting soggy.
  • Olive oil: Just a tablespoon to sauté the garlic and spinach, adding a subtle richness.
  • Black pepper: A little pepper wakes up the flavors without competing with the feta.
  • Pinch of salt: Taste before adding any, since feta is already quite salty on its own.

Instructions

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Sauté the garlic:
Heat olive oil in a skillet over medium heat, then add minced garlic and let it sizzle for about 30 seconds. You will know it is ready when the smell makes you lean closer to the pan.
Wilt the spinach:
Toss in the chopped spinach and stir it around until it wilts down, which takes about 2 minutes. Season lightly with salt and pepper, then remove from heat and let it cool a bit so it does not make your bread soggy.
Mix the filling:
In a bowl, combine the sautéed spinach with crumbled feta and mozzarella if you are using it. Stir until everything is evenly mixed and looks like a chunky, cheesy spread.
Assemble the sandwiches:
Lay out your bread slices and divide the spinach-feta mixture evenly over two of them, then top with the remaining slices. Press down gently so they hold together.
Butter the outsides:
Spread softened butter on the outer faces of each sandwich, covering all the way to the edges. This is what gives you that crispy, golden crust.
Grill until golden:
Heat a clean skillet or griddle over medium-low heat and place the sandwiches in, cooking for 3 to 4 minutes per side. Press lightly with a spatula and flip when the bottom is deeply golden and the cheese starts to melt.
Rest and serve:
Remove the sandwiches and let them rest for a minute so the cheese sets slightly. Slice in half and serve while still warm and gooey.
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Cook complete meals by frying, sautéing, simmering, and boiling with easy nonstick cleanup every day.
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Two halves of a Feta & Spinach Stuffed Grilled Cheese, revealing a vibrant green spinach and feta filling.  Save
Two halves of a Feta & Spinach Stuffed Grilled Cheese, revealing a vibrant green spinach and feta filling. | griddleglory.com

I served this at a casual lunch with friends, and one of them asked if I had been secretly taking cooking classes. I laughed and told her it was just spinach and feta between bread, but she insisted it tasted like something from a café. That is the magic of simple ingredients done right.

Choosing Your Bread

Thick slices are key here, because thin sandwich bread will not hold up to the filling and can turn limp or soggy. Country-style or sourdough gives you structure and flavor, with a sturdy crumb that crisps beautifully. Whole wheat or multigrain also works well if you want a heartier, nuttier taste.

Adding Extra Flavor

Once you have made this a few times, try folding in chopped sun-dried tomatoes or roasted red peppers for a sweet, tangy kick. A pinch of red pepper flakes in the spinach adds a gentle heat that plays nicely with the feta. Sometimes I toss in a handful of fresh basil or dill, and it makes the whole sandwich taste brighter and more summery.

Serving Suggestions

This sandwich is hearty enough to stand alone, but it pairs beautifully with a bowl of tomato soup or a simple green salad dressed with lemon and olive oil. I have also served it alongside roasted sweet potato wedges for a cozy, complete meal.

  • Cut into smaller pieces and serve as an appetizer at a casual get-together.
  • Wrap half in foil and pack it for lunch, it reheats well in a toaster oven.
  • Serve with a pickle or a handful of olives for a Mediterranean-inspired plate.
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Close-up on the crispy, buttery crust of a Feta & Spinach Stuffed Grilled Cheese, ready to be dipped. Save
Close-up on the crispy, buttery crust of a Feta & Spinach Stuffed Grilled Cheese, ready to be dipped. | griddleglory.com

This sandwich has become my go-to when I want something quick, warm, and deeply satisfying without a lot of fuss. I hope it becomes one of those recipes you turn to on busy nights when you need comfort in under twenty minutes.

Cooking Questions

Can I prepare the spinach-feta filling ahead of time?

Yes, you can make the filling up to 24 hours in advance. Store it in an airtight container in the refrigerator and assemble your sandwich whenever you're ready to cook.

What type of bread works best for this sandwich?

Thick-cut country-style, sourdough, or ciabatta bread works wonderfully. Avoid thin sandwich bread, as it may tear easily. Whole grain or multigrain varieties add nice texture and nutrition.

Is it necessary to add mozzarella cheese?

No, mozzarella is optional. Feta alone provides plenty of flavor and tang. Adding mozzarella enhances creaminess and meltiness if you prefer a richer texture.

How do I prevent the bread from burning while the cheese melts?

Cook on medium-low heat and avoid high temperatures. This allows the cheese to melt gradually while the bread toasts evenly. Press lightly as it cooks, and watch carefully until both sides achieve a golden-brown color.

What are good side dishes to serve with this sandwich?

Tomato soup, minestrone, or a crisp green salad complement this sandwich beautifully. Greek salad with olives and cucumbers pairs especially well with the Mediterranean flavors.

Can I make this gluten-free or dairy-free?

Yes. Use gluten-free bread for a gluten-free version. For dairy-free, substitute with dairy-free mozzarella and use nutritional yeast or cashew cream in place of feta, though the flavor profile will differ.

Feta & Spinach Stuffed Grilled Cheese

A savory Mediterranean take on grilled cheese with garlicky spinach and tangy feta, melted to golden perfection in just 20 minutes.

Prep duration
10 min
Cook duration
10 min
Complete duration
20 min
Created by Sarah Collins


Skill level Easy

Heritage American Mediterranean

Output 2 Portions

Nutrition specifications Meat-free

Components

Vegetables

01 2 cups fresh spinach, chopped
02 1 garlic clove, minced

Dairy

01 1/2 cup crumbled feta cheese
02 1/2 cup shredded mozzarella cheese
03 2 tablespoons unsalted butter, softened

Bread

01 4 thick slices country-style or sourdough bread

Seasonings

01 1 tablespoon olive oil
02 1/4 teaspoon black pepper
03 Pinch of salt

Directions

Phase 01

Sauté garlic and spinach: Heat olive oil in a skillet over medium heat. Add minced garlic and sauté for 30 seconds until fragrant. Add chopped spinach and cook, stirring constantly, until completely wilted, approximately 2 minutes. Season lightly with salt and pepper. Remove from heat and allow to cool slightly.

Phase 02

Prepare cheese filling: In a mixing bowl, combine the sautéed spinach with crumbled feta cheese and shredded mozzarella cheese. Mix thoroughly until evenly distributed.

Phase 03

Assemble sandwiches: Lay out all four bread slices. Evenly distribute the spinach-feta mixture over two bread slices, then top each with a remaining bread slice to form two complete sandwiches.

Phase 04

Butter sandwich exteriors: Spread softened butter evenly on the outer surface of each sandwich.

Phase 05

Toast sandwiches: Heat a clean skillet or griddle over medium-low heat. Place sandwiches in the skillet and cook for 3 to 4 minutes per side, pressing lightly with a spatula, until bread achieves a golden brown color and cheese melts completely.

Phase 06

Rest and serve: Remove sandwiches from heat, allow to rest for 1 minute, slice diagonally if desired, and serve warm.

Necessary tools

  • Skillet or griddle
  • Spatula
  • Mixing bowl
  • Knife and cutting board

Allergy details

Review each component for potential allergens and seek professional healthcare advice if you're uncertain.
  • Contains wheat from bread
  • Contains milk proteins from feta cheese, mozzarella cheese, and butter
  • Substitute with gluten-free bread alternative for gluten sensitivity
  • Use lactose-free cheese options for lactose intolerance

Nutritional information (per portion)

These values are provided as a general guide only and aren't intended to replace professional medical guidance.
  • Energy: 390
  • Fats: 22 g
  • Carbohydrates: 33 g
  • Proteins: 15 g