Stuffed mushrooms au gratin
For this fairly sophisitcated recipe, the mushrooms caps are marinated and pre-cooked in the oven. They are then filled with a delicious mix of potatoes, sausage and cheese before being baked gratin-style.
45 K 3.9/5 (8 reviews)
1 hour 10 min.
Easy
5 mushrooms
12 IngredientsLast modified on: May 10th 2023
½ sausage
5 
1.5 tablespoon lemon juice
1.5 tablespoon 
½ 
0.9 oz 
1.8 oz cooked potatoes
Times for this recipe
Preparation: 25 min.
Cooking: 50 min.
All in all: 1 hour 10 min.
If you start now, at , you will finish around : ?.Change start time
To finish around 7pm, you'll need to have started before: .Change end time
Step by step recipe
Stage 1 - 10 min.
Fry ½ sausage.
Sausages vary enormously in size, but this doesn't really matter. Fry about 100g of sausage and use what you like of it later in the recipe.
Sausages vary enormously in size, but this doesn't really matter. Fry about 100g of sausage and use what you like of it later in the recipe.
Stage 3 - 5 min.
Stage 4 - 2 min.
Drizzle the marinade over the mushrooms, mix well and leave in the fridge to marinate for at least 1 hour, covered with plastic film.
This can be done the day before.
This can be done the day before.
Stage 5 - 5 min.
Chop the mushroom stalks into small pieces.
Stage 6 - 1 min.
Pour 1 tablespoon olive oil into a small frying pan on high heat. When hot, add ½ shallot, chopped finely.
Salt, pepper and cook for 1 minute without colouring.
Salt, pepper and cook for 1 minute without colouring.
Stage 7 - 3 min.
Add the chopped mushroom stalks and sauté for 2 or 3 minutes. Salt after cooking and set aside.
Stage 8 - 20 min.
Preheat the oven to 390°F (200°C).
Sit the mushroom caps on a wire rack and stand this on a baking tray lined with a sheet of cooking parchment.
Put the mushrooms in the oven for 20 minutes. This will not fully cook them, just make them release their water.
Sit the mushroom caps on a wire rack and stand this on a baking tray lined with a sheet of cooking parchment.
Put the mushrooms in the oven for 20 minutes. This will not fully cook them, just make them release their water.
Stage 9
Meanwhile, cut the sausage into small pieces and grate the cheese, if not already done.
Stage 10
Use a fork to crush 1.8 oz cooked potatoes in a bowl.
Stage 11
Add the sausage pieces, half the grated cheese, the sautéed mushroom stalks and any remaining marinade.
Salt and pepper, then check the seasoning.
Salt and pepper, then check the seasoning.
Stage 12
Take the mushrooms out of the oven and turn them over...
Stage 13 - 5 min.
...then fill with the stuffing mixture. Scatter the rest of the grated cheese over the top.
Stage 14 - 15 min.
Return to the oven to brown for 10 to 15 minutes.
Stage 15
Serve either hot or warm.
Remarks
Choose large mushrooms if possible as thesy are easier to fill. Portobello or field mushrooms are ideal, but use whatever you prefer.
Keeping: Should be eaten freshly cooked.
Source: Home made.
Nutritional information
| Proteins (gr) | Carbohydrates (gr) | Fats (gr) | Energy value (in k-calories) | Energy value (in k-joules) | |
|---|---|---|---|---|---|
| Whole recipe | 10 RDI=5 % | 20 RDI=2 % | 60 RDI=9 % | 620 RDI=30 % | 2,610 RDI: 30 % |
| Per 100 g | 6 RDI=2 % | 9 RDI=1 % | 30 RDI=4 % | 330 RDI=20 % | 1,380 RDI: 20 % |
| Per mushrooms | 2 RDI=1 % | 3 RDI=0 % | 10 RDI=2 % | 120 RDI=6 % | 520 RDI: 6 % |
How much will it cost?
- For 5 mushrooms : 1.00 €
- Per mushrooms : 0.20 €
Change currency: 
Note: Be careful, these prices are only an estimate, you can consult the table of prices by ingredients used for this estimate.
This recipe uses (among others)
Cooked potatoes
Like these other recipes: Comtois surprise bread, Lemony cabbage and potato salad, Country filo tart, Crispy potato galette with leeks, Creamy spinach and potato gratin, ... See them all 51
Grated cheese
Like these other recipes: Aperitif rolls, Spinach Croque-monsieur , Smoky potato and potimarron gratin, Gougères, French onion soup, ... See them all 71
Mushrooms
Like these other recipes: "Land and sea" kebabs, Celeriac and mushroom gratin, Sauce Normande (for fish), Bolognaise lasagne, Mushroom tart, ... See them all 61
Lemon juice
Like these other recipes: Fillets of sole meunière, Creamy "terre et mer" pots, Tender tuna, Strawberry, kiwi and mascarpone verrines, Lebanese-style chickpea salad, ... See them all 72
Other recipes you may also like
Pasta with mushrooms
Your choice of pasta (spaghetti, penne or whatever) in a creamy sauce with mushrooms and shallots.May 10th 2023124 K4.3 40 min.
How to prepare new peas
In spring, when the first peas, known as "new" peas, appear fresh on the market stalls, that's the (fairly short) moment when you can eat them whole, peas and pods, very fresh and delicious. To do this, rather than shelling them, you need to prepare them, and here's how.May 8th 202412 K 30 min.
Fresh fruit in sabayon
Fresh grapefruit and / or pears, covered with a sabayon and a pinch of citrus crunch.February 21th 2011288 K4.7 55 min.
Herb olive oil
This flavoured olive oil, easy to prepare, goes very well with Mediterranean cuisine: pizzas, pastas, pan bagnat, etc...February 21th 2011308 K3.8 25 min.
French dressing (vinaigrette)
Here is a very simple recipe, but it could completely transform, maybe even transcend, your salad.July 7th 20111.05 M4.5 7 min.
News list of cooking-ez.com
Sign up to receive the latest recipes (next batch due to be sent on 2025-04-06)
Note: We'll never share your e-mail address with anyone else.
Post a comment or question
Follow this recipe
If you are interested in this recipe, you can "follow" it, by entering your email address here. You will then receive a notification immediately each time the recipe is modified or a new comment is added. Please note that you will need to confirm this following.
Note: We'll never share your e-mail address with anyone else.
Alternatively: you can subscribe to the mailing list of cooling-ez.com , you will receive a e-mail for each new recipe published on the site.