Heat the fat in a large pan with a high rim, fry the turkey meat in it, season with salt and pepper, add the onions and sweat. Dust with 1-2 tablespoons of flour and let sweat. Deglaze with the white wine, stir well, after about 1 minute stir in the broth. Let everything simmer at medium temperature for 10-15 minutes. Then add the peas, capers and cream and let everything simmer again for about 15 minutes.