Stuffed butternut squash with ground meat: the recipe and cooking times
Stuffed butternut squash with ground meat is only successful on one condition: pre-cook the squash for 30 minutes at 180 °C before stuffing it. Cut lengthwise and emptied of its seeds and some of its flesh, it then goes back into the oven for 30 to 35 minutes with a ground meat filling that is 15 or 20% fat. Allow 1 hour and 5 minutes of total cooking time and 400 g of filling for two halves, which makes two to three servings.
The same method applies to acorn squash, spaghetti squash, and pumpkin: only the pre-cooking time and the amount of filling change. Here are the temperatures, minutes, and proportions that prevent the squash from remaining firm under already dried-out filling.
Stuffed butternut squash with ground meat: cut, hollow out, stuff
Preparing the squash takes five steps before you even turn on the oven.
Choose a firm butternut squash weighing 1 to 1.2 kg, with a matte skin and no soft spots. Place it flat and cut it in half lengthwise with a large knife: the longitudinal cut creates two even boats that are much easier to stuff than a squash hollowed out from the top.
Remove the seeds and filaments with a tablespoon, then hollow out the flesh to a depth of 2 cm, leaving a wall about 1 cm thick. At less than 8 mm, this wall will sag during cooking; beyond 1.5 cm, the flesh remains firm in the center even after 35 minutes in the oven.
Do not throw away the removed flesh: it weighs 150 to 250 g per squash and can be added to the filling. Cut it into 1 cm cubes or pass it through the food processor for a few seconds to obtain a uniform mince that will cook at the same rate as the meat. If you want a clean mince without turning the flesh into purée, a vegetable processor handles this step in less than a minute.
Then brush the inside of the boats with a tablespoon of olive oil, salt and pepper: it is this layer of oil that prevents the flesh from drying out during pre-cooking.
| Squash | Pre-cooking at 180 °C | Taste and texture after cooking | Filling required |
|---|---|---|---|
| Butternut squash | 30 minutes | Sweet and slightly sugary, dense flesh that holds its shape | 400 g for 2 halves |
| Acorn squash | 25 minutes | Chestnut flavor, edible skin, very firm texture | 300 g for 2 halves |
| Spaghetti squash | 35 minutes | Neutral, stringy flesh, thin wall that must be handled with care | 450 g for 2 halves |
| Pumpkin | 40 minutes | Not very sweet and watery, sags after 45 minutes | 500 g for 2 halves |
| Musquée squash | 35 minutes | Very aromatic, thick flesh, excellent texture in slices | 350 g for 2 hollowed-out slices |
Why pre-cooking the squash is not optional
A raw squash takes 45 to 55 minutes at 180 °C to become tender in the center. A ground meat filling, on the other hand, cooks in 25 to 30 minutes. Baked together raw, the two never finish at the same time: the meat is perfectly cooked when the squash is still crunchy, or the squash gives way when the filling has lost its juices. Pre-cooking eliminates this gap by giving the vegetable a 30-minute head start.
Two methods work:
- In the oven: place the squash halves flesh-side down on a tray lined with parchment paper and allow 30 minutes at 180 °C. The steam remains trapped under the boat and the flesh cooks by steaming.
- In the microwave: allow 8 minutes at 900 W, faces down in a covered dish with two tablespoons of water.
In both cases, the tip of a knife should pass through the wall without resistance. Drain the released water and pat the inside dry with absorbent paper, otherwise the filling will swim. This principle of a head start in cooking applies to most baked dishes with ground meat combining a dense vegetable and a quick-cooking filling.
A ground meat filling that is 15 or 20% fat
For two halves of butternut squash, allow 400 g of ground meat: beef, or two-thirds beef and one-third lamb. The fat content should be between 15 and 20%: below 12%, the filling dries out, because the squash does not provide any fat and, on the contrary, absorbs the juices.
If you mince the meat yourself, combine chuck or lamb shoulder and shoulder, passed through the 4.5 mm grid only once to keep some bite. A meat grinder lets you control this percentage to the gram, which no supermarket tray allows.
- Brown 1 chopped onion for 3 minutes in olive oil, then add 2 cloves of garlic.
- Add the meat and let it cook for 6 to 8 minutes over high heat.
- Incorporate the reserved squash flesh and continue for 5 minutes, until the vegetable water has evaporated.
- Season: 40 g of grated Parmesan, 1 teaspoon of cumin, 30 g of crushed hazelnuts, 8 g of salt per kilo of filling, pepper, then fresh sage or thyme.
This seasoning is not a minor detail: butternut squash contains 7 to 9 g of sugar per 100 g, and this natural sugar calls for a salty counterpoint, otherwise the dish turns into a blandly sweet dish.
How to prevent the squash filling from being dry?
A dry filling is the most common flaw of stuffed squashes.
Three adjustments are enough: stay between 15 and 20% fat in the meat, never exceed 35 minutes of final cooking at 180 °C, and pour two tablespoons of broth over the filling before baking. The squash does not provide any fat: it is the meat that must keep the filling moist.
Stuffed acorn squash, spaghetti squash, and pumpkin: what changes
The technique does not change, the settings do:
- Acorn squash: keep the skin, it is edible and serves as a natural mold. Its flesh, drier and denser, only requires 25 minutes of pre-cooking and 300 g of filling, to which you will add 2 tablespoons of broth to compensate.
- Spaghetti squash: 35 minutes of pre-cooking, then scrape the filaments with a fork, mix half of them with the meat, and put everything back in the boat.
- Pumpkin: more watery, it requires 40 minutes of pre-cooking and a thorough draining before stuffing.
Whatever the squash, the final cooking remains identical: 30 to 35 minutes at 180 °C, fan-assisted heat, uncovered dish. For a gratin crust, add 30 g of breadcrumbs and 40 g of grated cheese, then bake for 5 minutes at 200 °C at the end of cooking.
The same principle of hollowing out then stuffing a vegetable works in summer with stuffed zucchini with ground meat, with pre-cooking times divided by three since its flesh is much more tender.
Can you prepare stuffed squash with ground meat in advance?
Stuffed squash lends itself well to preparation the day before.
Pre-cook the squash and cook the filling the day before, stuff the boats, and store them wrapped in plastic for 24 hours between 0 and 4 °C. Take them out 20 minutes before baking and add 5 minutes of cooking time. Before final cooking, the stuffed dish can be frozen for up to 2 months.
A single technique for all autumn squashes
Remember the sequence: cut lengthwise, hollow out leaving a 1 cm wall, pre-cook for 25 to 40 minutes at 180 °C depending on the squash, stuff with a filling that is 15 or 20% fat enriched with the recovered flesh, then cook for 30 to 35 minutes at 180 °C. The salty counterpoint of Parmesan, cumin, or hazelnuts balances the natural sugar of the vegetable.
To mince the meat and squash flesh in a single pass, a large bowl saves time: our collection of stainless steel electric food processors brings together models with large-capacity bowls.
All our meat and vegetable processors are on Hachoir Cuisine.