Cheesy Pesto Zucchini Boats

Featured in: Vegetarian Bowls & Fresh Sides

These zucchini boats are sliced lengthwise and hollowed out to create shells, then filled with a vibrant basil pesto mixed with cherry tomatoes, red onion, garlic, and cheeses like mozzarella and ricotta. Topped with golden Parmesan and pine nuts, they bake until tender and bubbly, resulting in a satisfying vegetarian main or side dish. Easy to prepare and packed with Mediterranean flavors, they pair wonderfully with a crisp green salad or light wine.

Updated on Tue, 23 Dec 2025 14:25:00 GMT
Golden, bubbly cheese melts atop savory, vibrant Cheesy Pesto Zucchini Boats ready to eat. Save to Pinterest
Golden, bubbly cheese melts atop savory, vibrant Cheesy Pesto Zucchini Boats ready to eat. | metrochop.com

My neighbor tossed a bunch of zucchini over the fence one August afternoon, and I stood there holding them like I'd just won a vegetable lottery. I didn't want to roast them plain again, so I grabbed some basil from my window box and started layering flavors into halved boats instead. The first time the cheese bubbled golden in the oven, I knew I'd stumbled onto something that felt both fancy and effortless, like I'd actually figured out what I was doing in the kitchen.

I made this for my sister who'd just announced she was vegetarian, and I wanted to prove that eating plants could still be satisfying and delicious. She had seconds, and that quiet moment of her scraping the last bits of cheese from the zucchini skin felt like the best compliment I could ask for.

Ingredients

  • Zucchini: Look for medium ones that are firm and unblemished, because they'll hold the filling without collapsing into mush.
  • Basil pesto: I use store-bought and never feel guilty about it, though homemade tastes brighter if you have the time.
  • Cherry tomatoes: Halving them lets them soften into the filling and releases little bursts of sweetness when you bite.
  • Ricotta or cottage cheese: This is what makes the filling creamy and rich without using heavy cream.
  • Mozzarella and Parmesan: The mozzarella gets melty and stretchy, while the Parmesan adds a sharp, salty edge that cuts through richness.
  • Pine nuts or walnuts: They're optional but worth the extra splurge if you want a subtle crunch that whispers through each bite.
  • Red onion: A small amount adds a gentle sharpness that doesn't overwhelm the other flavors.
  • Garlic and olive oil: These are the quiet heroes that tie everything together and remind you this is Mediterranean comfort food.

Instructions

Get Your Oven Ready:
Heat it to 400°F and line your baking dish while it warms up, so you're not scrambling later.
Hollow Out the Zucchini:
Slice each zucchini lengthwise and use a spoon to gently scoop out the center, leaving about a quarter inch of flesh as a shell so it stays firm. Chop that scooped flesh finely and set it aside, because it becomes part of the filling.
Season the Boats:
Brush the hollow zucchini halves with olive oil and season them with a little salt and pepper, which wakes up their subtle flavor before they even hit the oven.
Build the Filling:
In a bowl, combine the chopped zucchini flesh, halved cherry tomatoes, minced red onion, garlic, pesto, and ricotta, stirring until everything is evenly distributed. Taste and adjust seasoning because this is where the balance happens.
Fill and Top:
Spoon the mixture into each zucchini boat, then scatter mozzarella on top and finish with a light shower of Parmesan and pine nuts if you're using them.
Bake Until Golden:
Pop the dish into the oven for twenty to twenty-five minutes until the zucchini is fork-tender and the cheese on top is bubbling and just turning golden at the edges.
Rest and Serve:
Let them cool for a few minutes so the cheese sets slightly and won't slide off when you plate them.
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I served this alongside a simple green salad on a warm evening when friends dropped by unexpectedly, and somehow these boats made the meal feel intentional and thoughtful rather than thrown together. That's when I realized food doesn't always need to be complicated to feel special.

The Beauty of Vegetarian Cooking

This dish taught me that leaving meat off the plate doesn't mean leaving satisfaction behind. The combination of creamy ricotta, sharp cheese, bright pesto, and tender vegetables creates layers of flavor and texture that feel abundant without needing to roast a chicken. When you focus on what you're putting in rather than what you're leaving out, the cooking becomes more interesting.

Timing and Flexibility

One of my favorite things about these boats is how they adapt to your schedule. You can prep the zucchini early in the day and stuff them just before dinner, or make the filling the night before and let it sit in the fridge getting even more flavorful. If you want to add heartiness, throw in some cooked quinoa or rice, and if you're feeling experimental, fold in some chopped spinach or roasted bell peppers.

Cheese, Flavor, and the Perfect Golden Top

The magic happens when the oven transforms those three cheeses into one silky, savory layer that's crispy on top and soft underneath. I used to overthink which cheeses to use, but I learned that the ricotta gives creaminess, mozzarella adds stretch and melts beautifully, and Parmesan brings a sharpness that makes you taste every herb in the pesto. Watch them carefully in the last few minutes because golden and burnt happen faster than you'd think.

  • Start checking the boats around the eighteen-minute mark if your oven runs hot.
  • The cheese should bubble at the edges and turn a light golden color, not brown.
  • If the zucchini isn't quite tender but the cheese is browning too fast, tent with foil and keep going for a few more minutes.
Mediterranean-inspired Cheesy Pesto Zucchini Boats offer a satisfying vegetarian meal, bursting with pesto and veggies. Save to Pinterest
Mediterranean-inspired Cheesy Pesto Zucchini Boats offer a satisfying vegetarian meal, bursting with pesto and veggies. | metrochop.com

These zucchini boats are proof that summer vegetables and melted cheese need very little else to become something worth gathering around. Make them for yourself on a quiet Tuesday or for friends on a warm evening, and either way you'll feel like you're doing something right.

Recipe FAQ

Can I use a different cheese instead of mozzarella?

Yes, cheeses like cheddar or fontina can be used to achieve a similar melty texture and flavor.

How do I prep zucchini for the filling?

Slice zucchini in half lengthwise and use a spoon to gently scoop out the center, leaving a 1/4-inch shell for stuffing.

Can I add grains to make the filling heartier?

Cooked quinoa or rice can be mixed into the pesto filling for added texture and nutrition.

What are good nuts to sprinkle on top?

Pine nuts or chopped walnuts enhance the dish with crunch and subtle nutty flavors.

Is this dish gluten-free?

Using gluten-free pesto and grains like quinoa ensures the dish remains gluten-free.

Cheesy Pesto Zucchini Boats

Tender zucchini filled with basil pesto, vegetables, and melted cheese offers a hearty vegetarian dish.

Prep Time
20 minutes
Bake/Cook Time
25 minutes
Time Needed
45 minutes
Recipe By Elizabeth Perry


Skill Level Easy

Cuisine Mediterranean

Makes 4 Portions

Dietary Needs Meat-Free, No Gluten

What You'll Need

Vegetables

01 4 medium zucchini
02 1 cup cherry tomatoes, halved
03 1/2 small red onion, finely chopped
04 1 clove garlic, minced

Pesto and Filling

01 1/3 cup basil pesto (store-bought or homemade)
02 1/2 cup cooked quinoa or rice (optional)
03 1/4 cup grated Parmesan cheese
04 1/2 cup shredded mozzarella cheese
05 1/2 cup ricotta or cottage cheese
06 2 tablespoons pine nuts or chopped walnuts (optional)
07 Salt, to taste
08 Black pepper, to taste
09 Olive oil, for drizzling

How-To Steps

Step 01

Prepare oven and baking dish: Preheat oven to 400°F and line a baking dish with parchment or lightly grease it.

Step 02

Prepare zucchini boats: Slice zucchini lengthwise and scoop out the centers, leaving a 1/4-inch shell. Finely chop the reserved zucchini flesh.

Step 03

Season zucchini: Place zucchini halves cut side up in the baking dish, brush with olive oil, and season with salt and black pepper.

Step 04

Mix filling: Combine chopped zucchini flesh, cherry tomatoes, red onion, garlic, pesto, cooked quinoa or rice (if using), ricotta or cottage cheese, and half of the Parmesan cheese. Season with salt and black pepper and mix thoroughly.

Step 05

Fill zucchini boats: Spoon the filling evenly into the zucchini shells. Top with shredded mozzarella, sprinkle the remaining Parmesan, and add pine nuts or walnuts if desired.

Step 06

Bake: Bake for 20 to 25 minutes until the zucchini is tender and the cheese is bubbly and golden.

Step 07

Rest and serve: Allow to cool for a few minutes before serving. Optionally garnish with fresh basil.

Tools You'll Need

  • Chef's knife
  • Spoon for scooping
  • Mixing bowl
  • Baking dish
  • Oven

Allergy Notes

Always check each ingredient for allergens and reach out to a healthcare provider if you're uncertain.
  • Contains dairy (Parmesan, mozzarella, ricotta or cottage cheese).
  • May contain tree nuts (pine nuts or walnuts).
  • Gluten-free if using gluten-free pesto and quinoa or rice.

Nutrition Details (per portion)

These details are for informational purposes and aren't a substitute for professional medical guidance.
  • Energy: 255
  • Fats: 15 g
  • Carbohydrates: 16 g
  • Proteins: 13 g