Clean, wash and cut broccoli into florets. Cook in boiling salted water for about 8 minutes. Peel and chop onion. Clean, wash and dry mushrooms. If necessary cut in half.
Clean, wash and cut the tomatoes into pieces. Drain the broccoli and collect the vegetable water. Fry onion and mushrooms in hot oil for about 5 minutes. Add tomatoes and broccoli. Pour on 100 ml broccoli vegetable water and cream.
Bring to the boil and stir in the sauce thickener. Season with salt and pepper. For the pancakes, whisk eggs, milk and 1/8 litre water. Mix flour and baking powder and gradually stir into the egg mixture.
Add a pinch of salt. Heat 10 g fat in a frying pan. Add 1/4 of the dough and let it set at medium heat. Sprinkle with a tablespoon of sunflower seeds and turn. Fry the pancakes on both sides until golden brown.
Bake the rest of the dough in the same way. Fill with vegetables and arrange on a plate or plates.