Onion vinaigrette

Ingredients

• 3 tablespoons red wine vinegar
• 1 teaspoon hot mustard
• 6 tablespoons butter
• 1 shallot
• 0,5 small red onion
• 0.5 beam chive

Preparation method (receipt)

Whisk mustard, vinegar, salt and pepper. Pour the vegetable oil, whisking, to make a crème mixture. Chop shallot and red onion, chive. Mix all together.