Dissolve stock in 3⁄4 l boiling water. Let the porcini swell for about 15 minutes. Peel and chop the shallots.
Heat 1-2 tablespoons of oil. Sauté shallots in it. Steam rice briefly. Stir in wine and approx. 1⁄3 mushroom stock, bring to the boil. Simmer over low to medium heat. As soon as the liquid is absorbed, stir in the remaining mushroom stock bit by bit.
Cook the risotto for a total of 30-35 minutes.
In the meantime clean, wash and chop the mushrooms. Drain the tomatoes and cut into strips. Wash parsley and cut into strips. Grate parmesan.
Heat 1 tablespoon of oil in a frying pan. Sauté the mushrooms in it. Add the tomatoes and fry briefly. Season with salt and pepper. Stir 2/3 parmesan and parsley into the risotto. Fold in the mushroom and tomato mixture.
Season and serve the risotto. Sprinkle with remaining Parmesan cheese.