Preheat oven to 350 degrees

In a steamer, place a layer of potatoes, onions, garlic, and salt by dividing by thirds until all ingredients are in the steamer except the cream sauce.

Steam until the potatoes are tender.

In a 9×13 casserole dish, layer potatoes and cream sauce, ending with cream sauce.

Cover and bake for 20 minutes. Remove, cool and serve.