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Cauliflower gratin with mornay sauce Vegetarian

Name: Cauliflower gratin with mornay sauce
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Yield: 4
Cuisine: french
Ingredients: 1 large cauliflower; salt to taste; large handful of finely grated grana Padano; 1 batch of mornay sauce; handful of hazelnuts

Listen to this recipe

This simple cauliflower gratin with mornay sauce makes a very tasty side dish, or vegetarian main course.

40 minutes

4 persons

Side dishes

Nutrition balance score

Good

7.3/10

Glycemic Index

Glycemic Load

19.82 (Low)

2.44 (Low)

Nutrition per serving

Kcal

204.28 kcal

Carbohydrates
Of which sugars

12.33 g
7.89 g

Total fat
Of which saturated fats

11.79 g
4.74 g

Proteins

9.97 g

Fiber

6.31 g

Sodium

987.65 mg

View all nutrients

Recipe cauliflower gratin with mornay sauce

Ingredients

4 persons

1 large cauliflower
salt
(to taste)
1 large handful of finely grated grana padano
1 batch of mornay sauce
1 small handful of hazelnuts

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This is what you need

large saucepan
chopping board & small knife
baking dish

Recipe cauliflower gratin with mornay sauce allergens

This recipe contains the following allergens. Click on the allergen to search for alternative recipes.

Nuts

Egg

Milk

Made by Véronique

Published at 2023-06-29, this recipe is for 4 persons and takes 40 minutes.

Founder of Ohmydish (since 2014), she prefers to spend all day in the kitchen. Once working in the hospitality industry as an independent chef, she loves helping you gain confidence in the kitchen. With her easy-to-follow recipes, handy tips, and cooking knowledge, you'll make the most delicious dishes yourself! The recipes are accessible to everyone, from beginners to advanced home cooks.

Updated at: 2025-09-27

Let's get started

Preparation time

15 minutes

Time cooking

25 minutes

Total time

40 minutes

Preparation – 15 minutes

First, make the mornay sauce. This cheese sauce can be replaced with a béchamel sauce.

Fill a large saucepan with water and a pinch of salt and bring to a boil. Meanwhile, break the cauliflower into florets; these do not have to be very small. Cook the cauliflower florets until al dente in the boiling water.

Preheat the oven to 180 degrees celsius. Toast the hazelnuts briefly in a dry pan; do not add oil or butter.

Finishing the cauliflower gratin with mornay sauce – 25 minutes

Drain the cauliflower florets and place them in a baking dish. Spread the mornay sauce over them and sprinkle with a layer of grated cheese.

Bake the cauliflower gratin for around 20 minutes, until golden brown. The exact baking time depends on your oven. Roughly chop the hazelnuts and sprinkle them over the oven dish. Garnish with fresh parsley, if desired. Enjoy your meal!

Tips!

What is a mornay sauce?

A mornay sauce is a kind of béchamel sauce, which is made more flavoursome by the addition of cheese and egg yolks. It’s delicious cheese sauce which can add flavour to a variety of dishes.

Can I replace hazelnuts with something else?

You can replace the hazelnuts with almonds, peanuts, cashew nuts, or even crispy bacon for a non-vegetarian version.

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Nutritional values

Per 1 serving / piece:

Pay attention! These indicated nutritional values are based on standard tables and are therefore an estimated total. No rights can be derived from the data in the nutritional value table.

General

Kcal

204.28 kcal

Carbohydrates
Of which sugars

12.33 g
7.89 g

Total fat
Of which saturated fats

11.79 g
4.74 g

Proteins

9.97 g

Fiber

6.31 g

Sodium

987.65 mg

Show vitamines & minerals

Minerals

Iron

1.83 mg

Calcium

244.15 mg

Magnesium

47.85 mg

Potassium

47.85 mg

Phosphorus

222.50 mg

Copper

0.20 mg

Zinc

1.69 mg

Iodine

2.50 µg

Selenium

2.50 µg

Vitamins

Vitamine C

200.73 mg

Vitamine D

0.00 mg

Vitamine A

180.00 mg

Vitamine B1

0.18 mg

Vitamine B2

0.30 mg

Vitamine B6

0.59 mg

Vitamine B12

0.36 µg

Folic acid

122.60 µg

Vitamine E

0.54 mg

Vitamine K

5.19 µg

Vitamine K1

0.00 µg

Handy! Scroll this table horizontally to see all nutritional values per ingredient

Amount		Ingredient	Allergens	Kcal	Carbs	Carbs of which sugars	Fat	Fat of which saturated	Protein	Fibers	Sodium	Iron	Calcium	Magnesium	Potassium	Phosphorus	Copper	Zinc	Iodine	Selenium	Vitamin C	Vitamin D	Vitamin A	Vitamin B1	Vitamin B2	Vitamin B6	Vitamin B12	Vitamin B11	Vitamin E	Vitamin K	Vitamin K1
0.25	large	cauliflower		60.00	7.50 g	6.25 g	-	-	5.00 g	5.50 g	25.00 mg	1.25 mg	37.50 mg	25.00 mg	625.00 mg	75.00 mg	0.08 mg	1.00 mg	-	-	200.00 mg	-	-	0.13 mg	0.15 mg	0.50 mg	-	112.50 µg	-	-	-
		salt		-	-	-	-	-	-	-	600.00 mg	-	0.15 mg	4.35 mg	0.08 mg	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0.25	large handful	of finely grated grana padano	milk, egg	29.25	0.04 g	-	2.10 g	1.43 g	2.40 g	-	112.50 mg	0.04 mg	90.00 mg	2.25 mg	11.25 mg	75.00 mg	-	0.30 mg	-	1.50 µg	-	-	30.00 mg	-	0.03 mg	-	0.11 µg	1.35 µg	0.04 mg	0.19 µg	-
0.25	batch of	mornay sauce	milk	65.00	4.00 g	1.00 g	5.00 g	3.00 g	1.50 g	0.25 g	250.00 mg	0.25 mg	100.00 mg	5.00 mg	75.00 mg	50.00 mg	0.03 mg	0.25 mg	2.50 µg	1.00 µg	0.50 mg	-	150.00 mg	0.03 mg	0.10 mg	0.05 mg	0.25 µg	5.00 µg	0.50 mg	5.00 µg	-
0.25	small handful	of hazelnuts	nuts	50.03	0.79 g	0.64 g	4.69 g	0.32 g	1.07 g	0.56 g	0.15 mg	0.29 mg	16.50 mg	11.25 mg	48.75 mg	22.50 mg	0.10 mg	0.14 mg	-	-	0.22 mg	-	-	0.03 mg	0.02 mg	0.03 mg	-	3.75 µg	-	-	-
				204.28	12.33 g	7.89 g	11.79 g	4.74 g	9.97 g	6.31 g	987.65 mg	1.83 mg	244.15 mg	47.85 mg	760.08 mg	222.50 mg	0.20 mg	1.69 mg	2.50 µg	2.50 µg	200.73 mg	-	180.00 mg	0.18 mg	0.30 mg	0.59 mg	0.36 µg	122.60 µg	0.54 mg	5.19 µg	-