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.
48 K 3.9/5 (8 reviews)
1 hour 10 min.
Easy
30 mushrooms
12 IngredientsLast modified on: May 10th 2023
For 30 mushrooms, you will need:
3 sausages
30 
9 tablespoons lemon juice
9 tablespoons 
3 
150 g 
300 g 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 3 sausages.
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 6 tablespoons olive oil into a small frying pan on high heat. When hot, add 3 shallots, 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 300 g 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 | 70 RDI=30 % | 100 RDI=10 % | 340 RDI=50 % | 3,740 RDI=190 % | 15,680 RDI: 190 % |
| 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 30 mushrooms : 5.95 €
- 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: Gratin Parmentier, Baked Camembert with Walnuts, Warm salad of potatoes and purple artichokes, The strange gratin, Gratin of purple artichokes, ... See them all 53
Grated cheese
Like these other recipes: Hachis parmentier, Spicy roast cauliflower gratin, Endives , Grilled ham and bechamel sandwiches, Bolognaise lasagne, ... See them all 73
Mushrooms
Like these other recipes: Boeuf (beef) bourguignon, Shiitake eggs, Stuffed Mushrooms, Mushroom buckwheat pancakes, Tagliatelle New Zealand style, ... See them all 62
Lemon juice
Like these other recipes: Smoked haddock and leek fondue tartines, Corn salad with croutons, Rémoulette of celeriac, Hollandaise sauce, Greek salad, ... See them all 71
Other recipes you may also like
The fastest type of hob
You may have asked yourself already: between gas, electric and induction, which is the quickest? Let's try the experiment...February 21th 2011120 K3.7 25 min.
Pistachio cream
Very similar to almond cream, pistachio cream is ideal for filling or topping all kinds of cakes and tarts. Just like almond cream, it swells during cooking.October 4th 2012308 K 63.9 35 min.
Spinach brik parcels
Crispy brik parcels, filled with a mixture of spinach, feta and chopped shallot.May 5th 2013125 K5 45 min.
Bacon rolls
These tasty little rolls are enriched with bacon bits and toasted sesame seeds. The slightly flaky texture comes from lard, folded in like for puff pastry. Served sliced, these make an ideal savoury snack to share with friends over a drink.October 24th 201771 K4.6 3 hours 40 min.
Tartar sauce
Tartar sauce is a remoulade sauce with the addition of chopped pickles and herbs. It is an ideal accompaniment to cold dishes, such as cold meats, or hot dishes, such as fries or cooked vegetables.March 15th 202321 K1 20 min.
News list of cooking-ez.com
Sign up to receive the latest recipes (next batch due to be sent on 2025-07-06)
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.