Potato and Ground Meat Gratin with Almonds

Peel carrots and dice finely. Rinse and halve peppers, remove seeds and ribs and cut into small cubes. Clean mushrooms and slice. Blanch tomatoes in hot water for a few seconds, rinse in cold water and peel. Quarter, remove seeds and dice. Peel onions and chop finely. Heat 2 tablespoons of butter in a pan and saute onions until translucent. Add ground meat and saute until crumbly. Add mushrooms, peppers and carrots and saute briefly. Season with pepper, salt, sugar, oregano and cinnamon. Add tomatoes, tomato paste, cream and mustard and mix well. Simmer, covered, for 10-15 minutes. Peel, rinse and finely slice potatoes. Butter casserole dish and layer ground meat mixture and potatoes in an atlernating manner, finishing with potatoes.