1 tablespoon of vinegar
1 teaspoon of salt
1 flower sprout (300 g)
White Sauce
1 1/2 cup of milk
2 tablespoons of wheat flour
2 tablespoons of butter
1/2 teaspoon of salt
1/4 teaspoon of white pepper
For Gratin
2 egg yolks
1 cup of grated Parmesan cheese
1 tablespoon of vinegar
1 teaspoon of salt
1 flower sprout (300 g)
White Sauce
1 1/2 cup of milk
2 tablespoons of wheat flour
2 tablespoons of butter
1/2 teaspoon of salt
1/4 teaspoon of white pepper
For Gratin
2 egg yolks
1 cup of grated Parmesan cheese
Clean the flower sprout and separate the florets
Put them in a bowl, cover with water, and add vinegar
Let it rest for 20 minutes
Then wash and drain the sprouts
Put the florets in a pot, cover with water, add salt, and cook for 10 minutes
Drain and reserve
White Sauce
In a pan over low heat, melt butter and whisk in flour
Whisk vigorously with a wooden spoon for 30 seconds or until smooth and slightly golden
Add milk gradually, whisking
Add salt and white pepper, whisking until hot and thickened
Let it cool
For Gratin
Mix egg yolks and cheese into the sauce when cold
Cover the flower sprout with this cream, sprinkle the remaining Parmesan on top, and bake in a medium oven for 20 minutes.