Bring the chopped vegetables to a boil over medium heat, add mustard, 2 tablespoons of flour, and mix. Add cream and cook on low heat. If the sauce is too thick, you can add a little milk. Taste the sauce and add salt, pepper, sugar, and lemon juice to taste.
Required ingredients:
- Mustard: 1 tablespoon
- Wheat flour: 550 g
- Cream: 250 ml
- Milk: 300 ml
- Salt: 2 teaspoons
- Ground black pepper: to taste
- Sugar: 1 teaspoon
- Lemon: 1 piece