Wash tarragon, shake dry, pluck off leaves and chop coarsely. Cut chicken fillets with skin from the bone, wash and pat dry. Remove the skin slightly from the meat and push half of the tarragon under the skin.
Heat the oil in a large frying pan. Fry the meat for about 6 minutes on each side. Season with salt and pepper. Keep warm.
Clean and wash the spring onions. Cut the white and greenery separately into rings. Heat 1 tablespoon butter in a pot. Steam the white of the spring onions for about 1 minute. Dust with flour and sauté briefly.
1⁄8 l Stir in water, wine and cream, bring to the boil. Stir in stock and simmer for about 5 minutes. Season to taste with the rest of tarragon, salt and pepper.
Heat 1 tablespoon of butter in a small saucepan. Sauté the spring onion green in it. Add peas and 5 tbsp. water and simmer for 2-3 minutes. Season to taste with salt and 1 pinch of sugar. Arrange everything.