Heat oven to 350 degrees with rack in lower 1/3 of the oven.
Lightly oil six Timbale molds or custard cups that will hold 1/2 cup.
Place pimiento heart in the bottom of each, shiny side down and melt butter in a skillet, medium heat, add onions cook about 5 min. or until tender.
Transfer onions to a bowl and stir in the cheese, breadcrumbs, nutmeg and cayenne.
Add eggs and mix well.
Warm the milk cream in a small saucepan over low heat.
Slowly beat milk into the egg mixture.
Stir in the spinach.
Season to taste and spoon into the prepared molds.
Place molds in an ovenproof dish and add water to come 1/2 way up their sides of the molds.
Bake about 35-40 minutes or until a knife comes out clean when inserted in the middle.
Remove from water bath and let stand 5 minutes.
Invert onto each plate being careful when removing the timbale not to break it.
Serve immediately with your favorite Valentines dinner.