Here is an simple creamed spinach with heavy cream recipe. Use as a vegetable side dish or inside a quiche, either way it is simple to make and delicious.
Melt butter in a skillet and add garlic. Saute. Then stir in heavy cream.
Add spinach leaves, stir to coat and cover with a lid. Once leaves are wilted, lift lid and add parmesan cheese. If you want more liquid to the dish add 1/4 c more of heavy cream.
Allow to bubble, melt cheese, and the sauce to thicken. Turn off and allow to cool or use inside a quiche.