Clean, clean and slice the mushrooms. Clean and wash spring onions and cut them into diagonal rings. Halve liver cheese slices. Heat 2 tablespoons of oil in a pan.
Sear the meatloaf over medium heat. Remove Leberkäse, fry the mushrooms in the pan until golden brown and season with salt and pepper. Add spring onions shortly before the end of the frying time and fry briefly.
Toast the slices of toast. Place slices on a baking tray lined with baking paper. Cover with meat loaf and the fried mushrooms. Cut the camembert into fine cubes, place them on the mushrooms and bake in a preheated oven (electric range: 175 °C/ convection oven: 150 °C/ gas: level 2) for approx. 10 minutes.