Peel and wash the potatoes and cook them for about 20 minutes in boiling salted water. In the meantime, clean and wash or clean the peppers, mushrooms and spring onions. Dice paprika and meat loaf, halve mushrooms, cut spring onions into small pieces. Melt the fat. Fry the mushrooms for about 5 minutes.
Add meatloaf and paprika, fry for another 5 minutes. Dust with flour. Add stock and cream while stirring constantly, bring to the boil. Fold in spring onions. Season to taste with salt and pepper. Drain potatoes. Add milk and mash to fine puree. Pour into a piping bag with a large star-shaped spout. Pour the puree as a rim into the casserole dish. Fill the ragout in the middle.
Drain potatoes. Add milk and mash to fine puree. Pour into a piping bag with a large star-shaped spout. Pour the puree as a rim into the casserole dish. Fill the ragout in the middle. Bake in the preheated oven (electric range: 175 °C/ convection oven: 150 °C/ gas: level 2) for 15-20 minutes. Wash and chop the parsley and sprinkle on top