adding milk). add butter or margarine and mash with a potato masher or blend with an electric mixer. blend in mayonnaise until potatoes are smooth. season with plenty of salt to taste.
brown ground meat in a small amount of oil. season with salt and stir in garlic. cook meat until red disappears.
remove hot baking dish with zucchini from the oven. add cooked meat, followed by mashed potatoes, spreading the potatoes to cover the meat. bake the assembled pie for 20 minutes or until top of mashed potatoes are golden.
remove the pie from the oven and let it cool for a few minutes. before serving, dot the top of the pie 