Step1:Blanch green beans and corn until they are broken. Melt butter in water. Shred cheese.
Step2:Peel and cut potatoes. Steam them in a steamer.
Step3:Turn the steamed potatoes into mashed potatoes in a large bowl.
Step4:Add butter, salt, black pepper powder, corn, green beans and a small amount of milk to the mashed potatoes. Mix well and put into the baking bowl.
Step5:Spread a layer of mozzarella cheese on the surface, and then a layer of ham. Preheat the oven for 200 degrees. Put it on the middle baking net. Bake for 15 minutes.
Cooking tips:There are skills in making delicious dishes.