Cook the frozen beans in boiling salted water for about 8 minutes. Pour off, rinse with cold water and drain. Wash the meat, dab dry and cut into strips. Wash and halve the tomatoes.
Fry the meat in hot oil all around, season with salt and pepper. Fry the beans and tomatoes briefly. Sprinkle with flour and sauté. 1⁄4 Stir in l water, simmer for about 5 minutes. Season to taste with salt, pepper and lemon.
Wash and chop the parsley and sprinkle over it. Add baguette.