Dice the onions and mushrooms. Sauté the vegetables until tender in vegetable oil.
At the end, season the vegetables with salt and pepper to taste.
Mix mashed potatoes with starch. Lay on a baking sheet covered with parchment and evenly distribute about 1-2 cm thick. Bake in the oven at 200 degrees for 20-25 minutes. The cake should be slightly ruddy.
Transfer the vegetable filling to the potatoes.
Gently roll the potato crust with a roll while separating the parchment from it. On top of the roll, grease a little vegetable oil and set to bake for 15 minutes at 220 degrees.
Cut the finished roll into pieces and serve hot.
Lenten potato roll with mushrooms and vegetables is very tasty and satisfying, it is perfect for a festive table. The recipe is not too complicated, but it takes a little skill to roll the roll carefully. For cooking, you can use any mushrooms, spices and herbs to spice up the dish.