Prepare the main ingredient: the pork should be cut into small slices.
Chop the vegetables: potatoes into medium-sized slices, carrots into rings, eggplant into small cubes, onions into half rings or small cubes, tomatoes into wedges or rings.
Grease the baking tray with oil and put the potatoes, carrots, pork, onions, tomatoes and eggplants. Add salt, pepper, mustard and paprika. Mix a little, add soy sauce and spices.
Mix all ingredients in a separate container and place the baking tray in the oven for 30-35 minutes at 200℃.