Let the rice swell in boiling salted water for about 15 minutes. Then drain. Peel and finely dice onions. Wash, clean and slice the mushrooms. Wash basil, dab dry and cut into strips.
Heat the fat in a pan. Fry the onions and mushrooms in it while turning. Add frozen peas, rice and 3/4 basil. Stir in half cream cheese and cream. Season to taste with salt and pepper. Wash the tomatoes and cut off a cover at the base of each stem. Hollow out the tomatoes and place them in a greased casserole dish. Fill the tomatoes with the rice mixture. Spread the rest of the cream cheese on top. Place tomato lids on top as desired.
Wash the tomatoes and cut off a cover at the base of each stem. Hollow out the tomatoes and place them in a greased casserole dish. Fill the tomatoes with the rice mixture. Spread the rest of the cream cheese on top. Place tomato lids on top as desired. Bake the tomatoes in a preheated oven (electric: 200 °C/ gas: level 3) for about 10 minutes. Sprinkle with remaining basil