Stuffed shells with spinach and gorgonzola in marinara sauce
When I first made stuffed shells with spinach and gorgonzola, I realized I needed a bit of patience, but the result was worth it. Since then, I've turned to this recipe whenever I want to serve something special without unnecessary complications. Jumbo shells are easy to fill and quickly arranged in the dish. Everything becomes simple if you organize your ingredients beforehand and don’t rush through the steps. Quick Info Total time: about 1 hour and 15 minutes Preparation time: 30-35 minutes Cooking time (oven + stovetop): 40-45 minutes Servings: 4 Difficulty: medium, requires a bit of care while filling Recipe type: main course, suitable for weekend dinners or gatherings Ingredients 200 g conchiglie pasta (jumbo shells) 200 g fresh or frozen spinach, finely chopped 50 g gorgonzola cheese 30 g mozzarella + extra for sprinkling on top 1 yellow onion, chopped 2 garlic cloves, crushed 1 egg 600 g tomatoes (ideally peeled, blended, or finely chopped) 2 tablespoons olive oil (for the sauce) 1 tablespoon olive oil (for the spinach) A few fresh basil leaves, chopped 25 g grated parmesan, for serving Salt and pepper, to taste Instructions 1. Preheat the oven to 180°C. Don’t skip this step; if you’re ready with the pasta, the oven should already be hot. 2. Marinara sauce: Chop the onion and crush the garlic. In a saucepan, heat the 2 tablespoons of olive oil. Add the onion and garlic, cooking over medium heat until they become translucent. Add the chopped basil, stir briefly, then add the blended tomatoes. Let it simmer for 15 minutes on low heat until the sauce thickens. Finally, season with salt and pepper. Remove the sauce from heat. 3. Spinach filling: Sauté the chopped spinach in a tablespoon of olive oil over medium heat until it reduces and no longer releases water. If using frozen spinach, let it thaw completely beforehand and drain any excess liquid. Once it cools slightly, add the egg, crumbled gorgonzola, and grated mozzarella. Mix everything until you have a smooth filling. Season with salt and pepper to taste. 4. Cooking the pasta: Boil the shells in salted water according to the package instructions. It’s important to cook them al dente so they hold their shape. Drain them gently and let them cool slightly so you can fill them without burning yourself. 5. Assembly: Spread half of the marinara sauce on the bottom of a baking dish. Fill each shell with the spinach and cheese mixture, then arrange them side by side in the dish over the sauce. Pour the remaining sauce over the stuffed shells. Sprinkle the remaining mozzarella on top. 6. Baking: Cover the dish with aluminum foil and place it in the oven on the middle rack for 25 minutes. After this time, remove the foil and let it bake for another 10-25 minutes (depending on your oven), until the cheese melts beautifully and lightly browns at the edges. 7. Serving: Sprinkle grated parmesan on top while they are still warm. Why I make this recipe often This is the recipe I turn to when I want something that looks great and has a balanced flavor. The spinach and gorgonzola filling is neither heavy nor too intense, and the marinara sauce lightens everything up. It reheats well, and the ingredients are easily accessible. Tips and Variations Tips Don’t overfill the shells; otherwise, the filling may spill out during baking. If the sauce seems too thick, you can add a bit of pasta cooking water or plain water. When using frozen spinach, make sure to drain it well after thawing. Substitutions Mozzarella can be replaced with cheddar if you don’t have anything else on hand. You can use ricotta instead of gorgonzola for a milder and less salty filling. Variations For extra flavor, you can add grated nutmeg to the filling. If you want to avoid using an egg, the filling will still work without it, just ensure the spinach is well-drained. Adding halved cherry tomatoes among the shells adds freshness. Serving Ideas They can be served with a simple arugula salad. The parmesan on top can be replaced with a harder aged cheese if you prefer a different flavor. They pair well with toasted bread to “scoop” up any leftover sauce on the plate. Frequently Asked Questions How far in advance can I prepare the stuffed shells? You can prepare everything a day ahead, including assembling them in the dish. Keep them covered in the fridge. Bake just before serving, possibly adding 5-10 minutes to the oven time if they start cold. If I don’t have gorgonzola, what cheese can I use? You can substitute it with ricotta, goat cheese, or even feta, but the flavor will be slightly different. Gorgonzola adds a creamy and slightly tangy note. Can I freeze the stuffed shells? Yes, but it's best to freeze them before baking. Cover them well, and when you’re ready to cook, let them thaw overnight in the fridge and then bake. Why does the cheese on top sometimes become watery? Most likely, the mozzarella has too much moisture, or the spinach wasn’t drained properly. For a good texture, the spinach should be well-wilted, and the mozzarella should be dry, not packed in water. Nutritional Values Estimated per serving (out of four): approximately 350-400 kcal. Carbohydrates: 45-50 g, protein: 18-20 g, fat: 13-15 g (from cheese and oil). These values are approximate and may vary depending on the exact type of cheese or pasta used. Storage and Reheating Stuffed shells can be stored in the refrigerator for 2-3 days in a well-sealed container. They can be reheated in the oven or microwave, but it’s recommended to add a bit of sauce or water on top to prevent the cheese from drying out. Freezing is possible, but it works best with the unbaked product, directly in the dish you will bake in.
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