Dinner · Part 2 of 3: Instructions
Creamy Spinach and Mushroom Stuffed Zucchini Boats Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 4
Before you start
Before beginning, ensure the oven is fully preheated to the correct temperature. Gather all ingredients and have a sharp knife and spoon ready for hollowing the zucchini.
If using fresh spinach, sauté it briefly in a pan until wilted, then squeeze out as much water as possible before adding it to the ricotta. Preparing the ingredients in advance makes the assembly process smooth and efficient, allowing for immediate baking once the oven is ready.
Ingredients at a glance (5)
- 4 medium zucchini, halved lengthwise and hollowed
- 1 cup whole milk ricotta cheese
- 1/2 cup chopped spinach, cooked and squeezed dry
- 1 cup sliced mushrooms
- 1/2 cup shredded mozzarella cheese
Instructions
Zucchini Preparation
- Prepare the ZucchiniPreheat the oven to 375°F (190°C). Slice the zucchini in half lengthwise and use a spoon to scoop out the center, creating a boat shape. Place the hollowed zucchini in a baking dish.Look for hollowed out zucchini boat shellsTip Ensure the zucchini shells are stable in the baking dish so they do not tip over.
The zucchini should be neatly halved and hollowed, with enough room left in the center for the filling. The boats should sit securely in the baking dish without wobbling. Ensure the edges are clean and that the zucchini is not sliced too thin, which helps maintain its shape throughout the baking process.
Filling Assembly
- Fill the BoatsIn a mixing bowl, combine the ricotta cheese and chopped spinach. Spoon this mixture evenly into each hollowed zucchini boat. Top each boat with the sliced mushrooms and a generous sprinkle of shredded mozzarella cheese.Look for evenly filled zucchini boat centersTip Press the filling lightly into the zucchini to ensure it stays in place during baking.
The mixture should be well-combined and thick enough to hold its shape when spooned into the boats.
The mushrooms should be distributed evenly across the top, and the mozzarella should be sprinkled thoroughly to cover the surface. Check that the filling is packed firmly to ensure a solid, cohesive bite after baking.
Baking and Finishing
- Bake and ServePlace the baking dish into the preheated oven and bake for approximately 25 minutes. The zucchini should be tender and the cheese topping should be golden and bubbling. Remove from the oven and let rest for 5 minutes before serving.Look for bubbly golden brown cheese toppingTip Check for doneness by piercing the zucchini with a fork; it should slide in easily.
At the end of the baking time, the entire dish should look invitingly golden with a bubbly cheese top. The zucchini should look slightly translucent and feel soft to the touch. Let the dish sit for a few minutes before serving to allow the filling to set slightly, making it easier to lift out of the dish.
Common mistakes
A common mistake is failing to drain the spinach properly, which can lead to a watery filling that pools at the bottom of the baking dish. Another error is over-hollowing the zucchini, which makes the shells structurally weak and prone to collapsing under the weight of the cheese.
Finally, using a temperature that is too high can cause the cheese to brown prematurely before the zucchini has had sufficient time to soften and fully cook through.
How to tell it’s done
The zucchini is done when it is fork-tender throughout, meaning a fork can pierce the skin and flesh with little resistance. The cheese topping should be completely melted, golden brown in spots, and actively bubbling in the dish.
Because this dish contains no raw proteins, there is no internal temperature requirement for safety, but ensuring the center of the filling is hot is essential for the best eating experience.
Up next · Part 3 of 3
2 variations · storage & make-ahead · 3 answers · printable card
Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)