Clean and wash the cauliflower and broccoli and divide into florets. Peel and wash the carrots and cut them into slices. Cook the cauliflower in boiling salted water for about 12 minutes. Add broccoli and carrots after 5 minutes, peas after 7 minutes. Drain, rinse with cold water and let drain. Whisk sour cream and eggs. Season with salt, pepper and nutmeg.
Put the vegetables in a greased casserole dish. Pour the sour cream of sour cream and eggs over it. Melt butter in a pan, stir in breadcrumbs. Spread butter crumbs on the vegetables. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 30-40 minutes. Cover if necessary after about 20 minutes. Garnish with chervil
With 10 people: