Creamy wild garlic- crouton soup

Ingredients

• 0,25 little bulb
• 10 grams butter
• 1 teaspoon flour
• 1 tablespoon dry white wine 125 milliliters meat broth
• 40 grams cream, 25 grams sour cream
• salt and pepper
• sugar
• 0,25 bunch of wild garlic
• 0,25 egg yolk
• a little fresh lemon zest
• 0.5 slice of toast bread

Preparation method (receipt)

Chop onion and fry in the half a butter. Add flour and fry gently. Pour the broth, cream and dry white wine into the saucepan, cook for 3 minutes, stirring occasionally. Season with salt, pepper and a pinch of sugar . Wash the wild garlic, dry and chop, add in the soup, heat gently and mash in a blender. Dice toast bread and fry in the butter. Whisk egg yolks with cream, pour over the soup, season to taste, sprinkle with lemon zest and serving.