Feta & Spinach Stuffed Grilled Cheese

Featured in: Quick Starts & Small Plates

Transform your grilled cheese sandwich with a delicious Mediterranean twist. Fresh spinach is sautéed with garlic and combined with crumbled feta and mozzarella cheese, then nestled between thick slices of bread and toasted until golden and melty. This vegetarian sandwich comes together in just 20 minutes and serves two, making it perfect for lunch or a quick dinner. The combination of earthy spinach and tangy feta creates a sophisticated flavor profile that elevates the classic comfort food.

Updated on Tue, 20 Jan 2026 15:57:00 GMT
Thick slices of bread hold a savory filling of spinach and feta, perfectly grilled to golden perfection.  Save to Pinterest
Thick slices of bread hold a savory filling of spinach and feta, perfectly grilled to golden perfection. | griddlepocket.com

Rainy afternoons were made for this kind of cooking. I'd been experimenting with ways to upgrade my standard grilled cheese, and the day I crumbled some leftover feta into a skillet with spinach, something clicked. The salty tang cutting through rich melted cheese felt like discovering a secret combination. Now it's the sandwich I make when I want something comforting but a little more special than the usual.

My roommate walked in during my first attempt and hovered over the stove. She kept asking what smelled so good, and when I finally served her a slice, she literally moaned. We ate them standing up at the counter, too impatient to sit down. That was the moment I realized this wasn't just another sandwich.

Ingredients

  • Fresh spinach: I've learned that wilting it first removes excess water so your bread stays crisp instead of getting soggy
  • Garlic: One clove goes a long way here, sautéed briefly to mellow its bite while still lending aromatic depth
  • Feta cheese: The star that brings salty tang and a creamy crumble that holds everything together
  • Mozzarella: Optional but I include it for that satisfying cheese pull when you take your first bite
  • Thick-cut bread: Country-style or sourdough gives you structural integrity and those beautiful golden crusty edges
  • Unsalted butter: Softened so it spreads evenly without tearing the bread

Instructions

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Sauté the aromatics:
Heat olive oil in your skillet over medium heat, add minced garlic and let it sizzle for about 30 seconds until fragrant but not browned
Wilt the spinach:
Toss in chopped spinach and stir for 2 minutes until it collapses into itself, then season with salt and pepper and set aside to cool slightly
Make the filling:
Combine your cooled spinach with crumbled feta and shredded mozzarella in a bowl, mixing until everything is evenly distributed
Assemble the sandwiches:
Layer the cheesy spinach mixture onto two slices of bread, then top with the remaining slices to create sandwiches
Butter the exterior:
Spread softened butter generously on the outside of each sandwich, covering every inch for maximum golden crunch
Grill to perfection:
Cook sandwiches in a clean skillet over medium-low heat for 3 to 4 minutes per side, pressing gently with your spatula, until both sides are deeply golden and cheese is melting out the edges
Rest and serve:
Let sandwiches cool for a full minute before slicing diagonally, which gives the cheese a moment to set so it doesn't immediately ooze out
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A close-up of a Feta & Spinach Stuffed Grilled Cheese, showcasing melty cheese and wilted greens.  Save to Pinterest
A close-up of a Feta & Spinach Stuffed Grilled Cheese, showcasing melty cheese and wilted greens. | griddlepocket.com

This recipe became my go-to during grad school when I needed something that felt substantial but wouldn't break the bank. Friends started requesting them at our weekly study sessions, and pretty soon it became our ritual. Food has a way of turning ordinary moments into memories.

What to Serve Alongside

I've found that a simple tomato soup complements the salty feta perfectly, cutting through the richness with bright acidity. On warmer days, a crisp green salad with a vinaigrette works beautifully. The key is keeping sides light so they don't compete with the sandwich.

Make It Your Own

Sometimes I'll add sun-dried tomatoes or chopped roasted red peppers to the filling for extra sweetness and depth. A sprinkle of fresh herbs like dill or basil right before grilling brightens everything up. These additions have transformed this into something I can serve to dinner guests without hesitation.

Timing and Prep Wisdom

You can sauté the spinach and garlic up to two days ahead, storing it in the refrigerator until you're ready to assemble. I've also made several sandwiches at once, wrapped them individually in foil, and reheated them in a 350°F oven for 10 minutes when company arrives.

  • Use mayonnaise instead of butter on the exterior for an even crispier, more golden crust
  • Try adding a thin layer of pesto inside the sandwich for herbal notes
  • Let your assembled sandwiches rest for 5 minutes before grilling to prevent the bread from getting soggy
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This vegetarian Feta & Spinach Stuffed Grilled Cheese is sliced to reveal the vibrant, flavorful interior. Save to Pinterest
This vegetarian Feta & Spinach Stuffed Grilled Cheese is sliced to reveal the vibrant, flavorful interior. | griddlepocket.com

There's something deeply satisfying about transforming simple ingredients into something this delicious. Hope this finds its way into your regular rotation the way it has into mine.

Recipe Q&A

Can I make this ahead of time?

You can prepare the spinach-feta filling up to 4 hours ahead and store it in the refrigerator. Assemble and cook the sandwiches fresh for the best texture and melted cheese consistency.

What bread works best for this sandwich?

Thick-cut country-style, sourdough, or brioche bread works beautifully. Avoid thin bread, which may become soggy. For added nutrition, whole wheat or multigrain options are excellent choices.

Is the mozzarella cheese necessary?

No, the mozzarella is optional. The feta alone provides good flavor and some melting quality. Adding mozzarella increases creaminess and helps the sandwich melt more evenly.

How do I prevent the spinach from making the sandwich soggy?

Ensure the cooked spinach is well-drained and cooled slightly before mixing with cheese. Avoid excess moisture by squeezing out any liquid from the wilted spinach before combining.

Can I add other ingredients to the filling?

Absolutely! Sun-dried tomatoes, roasted red peppers, caramelized onions, or fresh herbs like dill complement the feta and spinach beautifully. Keep fillings balanced to prevent overstuffing.

What temperature should the pan be for cooking?

Use medium-low heat to allow the cheese to melt completely while the bread toasts evenly. Too high heat will brown the bread before the cheese melts; too low will make it greasy.

Feta & Spinach Stuffed Grilled Cheese

A savory grilled cheese filled with sautéed spinach, tangy feta, and melted mozzarella—ready in 20 minutes.

Prep Duration
10 minutes
Cook Duration
10 minutes
Overall Time
20 minutes
Created by Evan Sanders


Skill Level Easy

Cuisine American Mediterranean

Amount 2 Number of Servings

Diet Details Meat-Free

What You'll Need

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

Step 01

Sauté garlic and wilt 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 blended.

Step 03

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

Step 04

Butter exterior surfaces: Butter the outsides of each sandwich generously with softened butter.

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, until bread is golden brown and cheese is fully melted.

Step 06

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

Tools Needed

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

Allergy Notice

Carefully review every item for allergens and speak with a healthcare expert if needed.
  • Contains wheat from bread
  • Contains milk proteins from feta cheese, mozzarella cheese, and butter
  • Use gluten-free bread for celiac or gluten sensitivity
  • Use lactose-free cheese options for lactose intolerance

Nutrition Information (each serving)

These figures are for reference and shouldn't replace your physician's advice.
  • Calories: 390
  • Fats: 22 g
  • Carbohydrates: 33 g
  • Proteins: 15 g