Porcini and Potato Moussaka with Bolognese

Name: Porcini and Potato Moussaka with Bolognese
Prep time: 30 min
Cook time: 50 min
Total time: 1 h 20 min
Cuisine: European, Italian, Mediterranean
Ingredients: 8 large potatoes; 1 large onion; 4-5 large porcini mushrooms, cleaned and sliced; 1 portion frozen Bolognese sauce, thawed; 3 eggs; 1 cup (240 ml) sour cream; 1/2 cup (60 g) finely grated Edam cheese (+ your choiceParmesan or Pecorino Romano); Salt and pepper to taste; Olive oil for sautéing