Wash, clean and roughly grate the cauliflower. Clean and coarsely chop the mushrooms. Peel garlic and chop finely. Heat oil in a large pan. Fry the mushrooms, cauliflower and garlic over a high heat for 3-5 minutes, turning them over.
Bring 3-4 l salted water (1 teaspoon salt per litre) to the boil. Stir the tomato paste into the vegetable pan and fry briefly. Stir in strained tomatoes. Wash oregano, shake dry and add. Season with salt and pepper. Simmer covered for about 5 minutes.
In the meantime, put the pasta pockets in boiling salted water and let them steep according to the instructions on the packet. Pour into a sieve and drain. Serve with the sauce.