Probably the iron in that spinach you crave.

Eggs
Bacon
Heavy cream
Butter
Olive oil
Beef (steak, hamburger, potroast)
Chicken (roasting or breasts)
Seafood (shrimp, salmon, tuna)
Liverwurst
Cheese (Havarti, muenster, cheddar, parmesan)
Macadamia nuts
Green olives
Radishes
Baby spinach
Romaine
Mushrooms
Broccoli
Cabbage
Cucumber
Green beans (occasionally)
Garlic & onion (sparingly)
Fresh salsa (sparingly)
Green pepper (sparingly)

I'm anxious to get to where I can eat stuff like eggplant, artichokes and some squashes again.

Coquina