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.
59 K 3.9/5 (8 reviews)
1 hour 10 min.
Easy
2.00 €
10 mushrooms
12 IngredientsLast modified on: May 10th 2023
1 sausage
10 
3 tablespoons lemon juice
3 tablespoons 
1 
50 g 
100 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 1 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 2 tablespoons olive oil into a small frying pan on high heat. When hot, add 1 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 100 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 | 20 RDI=9 % | 30 RDI=3 % | 110 RDI=20 % | 1,250 RDI=60 % | 5,230 RDI: 60 % |
| 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 10 mushrooms : 2.00 €
- 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: Potato galette, Morbiflette, Crispy potato and mushroom brik rolls, Croque-monsieur potatoes, Artichokes with beef, ... See them all 58
Grated cheese
Like these other recipes: Creamy rice with spinach, Alpine gratin, Spinach on toast with bechamel, Firied fillet of sea bream with polenta, Salmon and Spinach Gratin, ... See them all 75
Mushrooms
Like these other recipes: Summer Salmon Blanquette, Spinach and Mushrooms with Pesto, Nanou's tuna tart, Mushroom bourguignon, Mushroom duxelles, ... See them all 63
Olive oil
Like these other recipes: French-style peas, Purple artichokes braised in white wine, Fried eggs with tomatoes, Mushrooms à la grecque, Sautéd broccoli with ham, ... See them all 561
Other recipes you may also like
Little Christmas biscuits
These little chocolate biscuits are decorated with marzipan. They are ideal to accompany a festive dessert. December 23th 2012105 K 24.2 2 hours 45 min.
Thai-style Chicken with Cashew Nuts
This Thai-inspired recipe combines diced chicken with cashew nuts, spring onions, herbs and a lime-soy sauce. June 21th 201598 K5 25 min.
Souda salad
The port of Souda in Crete is the inspiration for this colourful salad, combining cucumber and tomatoes with feta cheese. This salad is best served cold from the fridge, perfect for a hot summer's day. July 7th 201957 K 60 min.
How to peel tomatoes using a flame
The classic and most usual way to peel tomatoes is by plunging them first into boiling water, then into cold. But there is another method, "flame peeling", which is quicker than boiling water as it bursts the tomato skins open very rapidly. Here is how to do it. July 17th 201991 K 15 min.
Sautéed pork with mushrooms in a cream sauce.
For this rich and succulent dish, we begin by frying the mushrooms then the pork separately, before adding the cream, to bring out the fullest flavours. May 10th 202397 K 50 min.
News list of cooking-ez.com
Sign up to receive the latest recipes (next batch due to be sent on 2026-04-26)
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.