Preheat oven to 375°F/190°C. Wash potatoes well, poke with a knife a few times, and bake until tender, about 1 hour.
Soak porcini mushrooms in hot water until soft, and chop. Reserve mushroom water.
Healthy Sauté onions over medium-low heat in medium sauté pan for 5 minutes, stirring frequently. Add garlic and continue to sauté for another minute.
Add crimini and porcini mushrooms and continue to sauté for 2 minutes. Add tomato paste, mushroom water, 1/2 cup broth, and rosemary. Simmer for another 10 minutes, and season with salt and pepper. Cut baked potatoes in half and top with mushroom sauce and goat cheese.