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Zucchini Grilled Cheese Sandwich

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A Healthy Grilled Cheese You Can Feel Good About

If you love grilled cheese but want to skip the carbs, this zucchini version is your new go-to!

It’s simple to make, packed with flavor, and perfect for anyone on a keto or gluten-free diet.

With a golden, crispy zucchini “bread” and melty cheese in the middle, it’s the ultimate healthy twist on a classic comfort food.

Ready in just 30 minutes, this sandwich is a must-try!

For Zucchini “Bread”

  • Zucchini – The base of this recipe! It gives the “bread” structure and keeps things low-carb.
  • Eggs – Acts as a binder to hold the zucchini together.
  • Almond Flour – Adds texture to the “bread” and keeps it gluten-free.
  • Parmesan Cheese – Provides flavor and a little extra crispness in the “bread.”
  • Italian Herbs – A blend of spices to enhance the savory flavor.
  • Garlic Powder – Adds a subtle garlic flavor to the “bread.”
  • Onion Powder – Gives depth and an aromatic taste.
  • Salt – Balances the flavor of the zucchini “bread.”
  • Black Pepper – Adds a mild heat and balances the flavors.

For the Cheese Filling

  • Mozzarella or Cheddar Cheese – Use your favorite melting cheese for the gooey filling.

Cooking Oil

  • Vegetable Oil – For frying and getting the grilled cheese crispy and golden.

Zucchini Grilled Cheese Sandwich

Satisfy your cheesy sandwich cravings the healthy way! This zucchini grilled cheese swaps out bread for a tasty, low-carb zucchini "bread," making it the perfect choice for keto, gluten-free, or anyone looking to enjoy a healthier version of a classic favorite.
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Course: Lunch
Cuisine: British
Keyword: Zucchini Grilled Cheese Sandwich
Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes
Servings: 4

Notes

Ingredients: 

  • 3 zucchinis (approximately 600g, yielding 3 cups when grated and squeezed)
  • 2 large eggs
  • ⅔ cup almond flour (67g)
  • ½ cup grated Parmesan cheese (30g)
  • 1 tablespoon Italian herbs
  • ¼ teaspoon garlic powder
  • 1 teaspoon onion powder
  • ½ teaspoon salt
  • ¼ teaspoon ground black pepper
  • 200g (7oz) grated mozzarella, cheddar, gouda, or gruyère cheese (your choice)

 

Instructions:

  1. Preheat oven
    • 200°C (400°F) or 180°C (350°F) for fan ovens.
  2. Prepare baking tray
    • Line a large tray (30×23×2 cm) with parchment paper.
  3. Grate & drain zucchini
    • Grate zucchini using a food processor or by hand.
    • Wrap in a clean muslin cloth or fine tea towel and squeeze out as much moisture as possible. Discard the liquid.
  4. Make the mixture
    In a large bowl, combine:
    • Squeezed zucchini
    • Eggs
    • Almond flour
    • Parmesan
    • Italian herbs
    • Garlic powder
    • Onion powder
    • Salt
    • Pepper
      Mix until well combined.
  5. Bake the zucchini “bread”
    • Spread mixture evenly in the tray, pressing it down to form a ¼-inch thick layer.
    • Bake for 20–25 minutes, until golden on top.
    • Let cool slightly after baking.
  6. Assemble sandwiches
    • Cut into 8 equal squares (4 bottoms, 4 tops).
    • Add a slice of cheese to each bottom piece.
    • Grill for 30–60 seconds until the cheese melts.
    • Add top piece; optionally grill for another 30 seconds.
  7. Serve & enjoy!

 

Notes:

  • This recipe makes 4 zucchini grilled cheese sandwiches.
  • Be sure to squeeze out as much moisture from the zucchini as possible for firm "bread."
  • Sliced cheese (mozzarella, cheddar, or gruyère) works best for the melted middle.
  • Storage: Store leftover zucchini "bread" in the fridge for up to 3 days. Best to melt the cheese fresh when serving.

 

Nutrition

Calories: 372 kcal | Carbohydrates: 10.5g | Protein: 23.9g | Fat: 27.3g | Saturated Fat: 11.6g | Fiber: 3.6g | Sugar: 5.8g | Vitamin A: 1384 IU | Vitamin C: 10mg | Calcium: 60mg | Iron: 2mg
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  1. How do I avoid soggy zucchini “bread”?
    To keep your zucchini “bread” from getting soggy, be sure to squeeze out all the excess water after grating the zucchini. Using a clean towel or cheesecloth, twist and press out the moisture until the zucchini feels dry. This step is key for achieving the right texture!
  2. Can I use store-bought almond flour, or should I make my own?
    You can definitely use store-bought almond flour for convenience. However, if you prefer to make your own, you can grind blanched almonds in a food processor until finely ground. Just make sure it’s finely textured to mimic regular flour!
  3. What type of cheese should I use for the filling?
    For a cheesy and melty filling, opt for mozzarella, cheddar, gouda, or gruyère. Mozzarella is great for its stringy melt, while cheddar adds a sharper flavor. Pick the one that suits your taste for that gooey sandwich experience!
  4. Can I prep the zucchini “bread” in advance?
    Absolutely! You can bake the zucchini “bread” ahead of time and store it in the fridge for up to 3 days. When you’re ready to assemble, just add the cheese and grill it fresh for the best texture.
  5. How can I make this recipe nut-free?
    If you’re avoiding nuts, you can swap the almond flour for coconut flour. Use about one-third of the almond flour amount. So, for 1 cup of almond flour, use roughly ⅓ cup of coconut flour. Just be sure to adjust the moisture to keep the dough from being too dry!

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