Feta & Spinach Stuffed Grilled Cheese

Featured in: Everyday Table Meals

This elevated grilled cheese combines garlicky sautéed spinach and tangy feta cheese between thick, buttered slices of bread for a savory, melty sandwich. Ready in just 20 minutes, it's a perfect vegetarian main that balances Mediterranean flavors with comfort food appeal. Toast until golden for maximum deliciousness.

Updated on Tue, 20 Jan 2026 15:11:00 GMT
Golden-brown Feta & Spinach Stuffed Grilled Cheese slices showing melted cheese and vibrant green spinach on thick sourdough. Save
Golden-brown Feta & Spinach Stuffed Grilled Cheese slices showing melted cheese and vibrant green spinach on thick sourdough. | platerelay.com

The smell of garlic hitting warm olive oil still stops me in my tracks every single time. I stumbled on this combination during a particularly gray winter when I needed something comforting but not heavy. The tang of feta against earthy spinach felt like discovering a secret conversation between ingredients. Now it is my go-to when I want regular grilled cheese to feel like a proper meal.

My sister stayed over last month and I made these for a quick dinner. She took one bite and actually went quiet, which for her is saying something. We ended up sitting at the counter picking at the extra filling while the sandwiches sizzled in the pan. Sometimes the best meals happen when you are just trying to use up spinach and cheese before they go bad.

Ingredients

  • 2 cups fresh spinach chopped: Fresh spinach wilts beautifully and retains more texture than frozen, which can turn watery
  • 1 garlic clove minced: One clove is perfect because you want garlicky warmth without overpowering the delicate feta
  • 1/2 cup crumbled feta cheese: The salty tang is essential here so buy the good stuff packed in brine rather than pre-crumbled tubs
  • 1/2 cup shredded mozzarella cheese: This is optional but I include it because it creates those satisfying cheese pulls when you take a bite
  • 2 tablespoons unsalted butter softened: Softened butter spreads more evenly than cold, preventing any bare spots that might burn
  • 4 thick slices country-style or sourdough bread: Sturdy bread is non-negotiable since the filling is heavy and thin slices will turn soggy
  • 1 tablespoon olive oil: Use this for sautéing the spinach rather than butter to avoid burning at higher heat
  • 1/4 teaspoon black pepper: Freshly cracked adds a little warmth that plays nicely with the cool tang of feta
  • Pinch of salt optional: Taste your feta first since some brands are saltier than others

Instructions

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Sauté the aromatics:
Pour olive oil into your skillet and set it over medium heat. Toss in the minced garlic and let it sizzle for about 30 seconds until you can smell it throughout the kitchen.
Wilt the spinach:
Add the chopped spinach and stir frequently as it collapses into the pan. This should take about 2 minutes, then sprinkle with salt and pepper and set aside to cool slightly.
Make the filling:
In a small bowl, combine the cooked spinach with crumbled feta and shredded mozzarella. Mix until the spinach is evenly coated in cheese.
Assemble the sandwiches:
Lay out all four bread slices and mound the spinach mixture onto two of them. Top each with a remaining bread slice to create two complete sandwiches.
Butter the bread:
Spread softened butter generously on the outside of each sandwich. Do not skip the edges because crispy corners are arguably the best part.
Grill to golden perfection:
Place sandwiches in a clean skillet over medium-low heat. Cook for 3 to 4 minutes per side, pressing gently with your spatula, until both sides are deeply golden and the cheese is melting.
Rest before serving:
Let the sandwiches sit for 1 minute after removing from the pan. This brief pause helps the filling set so it does not tumble out when you slice.
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Warm, savory Feta & Spinach Stuffed Grilled Cheese on a rustic plate, ready to be dipped in tomato soup. Save
Warm, savory Feta & Spinach Stuffed Grilled Cheese on a rustic plate, ready to be dipped in tomato soup. | platerelay.com

This sandwich has become my rainy day staple. There is something about the combination of warm bread and salty cheese that feels like a hug, especially when eaten standing up at the counter while rain drums against the window.

Bread Choices Matter

I have learned through trial that sourdough gives the best crunch and its slight tang complements the feta. Country-style white bread is softer and more kid-friendly if you are feeding picky eaters. Whatever you choose, avoid sandwich bread because it turns to mush under the weight of the filling.

Filling Variations

Sometimes I add chopped sun-dried tomatoes when I want something that feels a little more Italian. Fresh herbs like basil or oregano work beautifully too, especially in summer when they are growing wild in my garden. Just keep additions minimal so the spinach and feta remain the stars.

Serving Suggestions

A simple tomato soup turns this into a proper meal rather than just an oversized snack. In warmer months I serve it alongside a crisp green salad dressed with nothing but lemon juice and olive oil. The acidity cuts through the rich cheese and keeps everything balanced.

  • Cut sandwiches on the diagonal because it somehow makes them taste better
  • Serve immediately while the cheese is still molten
  • Keep the skillet handy in case anyone wants seconds
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A close-up view of a Feta & Spinach Stuffed Grilled Cheese, highlighting the toasted crust and creamy filling. Save
A close-up view of a Feta & Spinach Stuffed Grilled Cheese, highlighting the toasted crust and creamy filling. | platerelay.com

Hope this recipe finds you on a day when you need something simple and satisfying. There is genuine joy in a sandwich made with care.

Recipe FAQs

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

Yes, you can make the filling up to 24 hours in advance and store it in an airtight container in the refrigerator. Assemble and cook the sandwiches when ready to serve.

What bread works best for this sandwich?

Thick-cut country-style, sourdough, or hearty whole wheat bread are ideal as they provide structure and won't fall apart when toasted. Avoid thin sandwich bread.

How do I prevent the cheese from leaking out while cooking?

Distribute the filling evenly and don't overstuff. Cook on medium-low heat and avoid pressing too hard. The lower temperature allows the bread to crisp before cheese escapes.

Can I add other ingredients to the filling?

Absolutely. Sun-dried tomatoes, roasted red peppers, caramelized onions, or fresh herbs like dill complement the spinach-feta combination beautifully.

Is there a dairy-free alternative?

Use lactose-free cheese options or try nutritional yeast and cashew cream as substitutes. Vegan butter works well for the exterior as well.

What's the best way to serve this sandwich?

Serve warm, optionally sliced diagonally, alongside tomato soup, a crisp salad, or pickles for a complete meal.

Feta & Spinach Stuffed Grilled Cheese

Thick-cut bread layered with garlicky sautéed spinach, creamy feta, and melted mozzarella—a sophisticated take on the beloved comfort classic.

Time to Prep
10 minutes
Time to Cook
10 minutes
Total Duration
20 minutes
Created by Henry Foster

Recipe Category Everyday Table Meals

Skill Level Easy

Cuisine American Mediterranean

Makes 2 Portions

Dietary Details Vegetarian-Friendly

Ingredient List

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 Salt to taste

Directions

Step 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, until wilted, approximately 2 minutes. Season lightly with salt and pepper. Remove from heat and allow to cool slightly.

Step 02

Combine filling ingredients: In a bowl, combine sautéed spinach with crumbled feta and shredded mozzarella. Mix thoroughly until well incorporated.

Step 03

Assemble sandwiches: Lay out all bread slices. Evenly distribute spinach-feta mixture over 2 slices, then top each with remaining bread slices to form 2 sandwiches.

Step 04

Butter sandwich exteriors: Spread softened butter evenly over the outside surfaces of each sandwich.

Step 05

Toast sandwiches: Heat a clean skillet or griddle over medium-low heat. Place sandwiches in skillet and cook 3 to 4 minutes per side, pressing lightly with spatula, until bread is golden brown and cheese is melted throughout.

Step 06

Rest and serve: Remove sandwiches from heat, let rest for 1 minute, then slice diagonally and serve warm.

Equipment Needed

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

Allergy Advice

Always check every ingredient for potential allergens. Ask your doctor if you're unsure.
  • Contains wheat from bread
  • Contains milk from feta cheese, mozzarella cheese, and butter
  • Not suitable for gluten-free diets unless gluten-free bread is substituted
  • Not suitable for lactose intolerance unless lactose-free cheese alternatives are used

Nutrition Info (per serving)

For reference only—please consult a nutritionist or healthcare provider for dietary advice.
  • Caloric Value: 390
  • Fat Content: 22 grams
  • Carbohydrate: 33 grams
  • Proteins: 15 grams