
Healthy creamed spinach, laced with onion and garlic, is one of the yummiest comfort side dishes ever. Keep it light or make it rich. It's up to you.
COOK SPINACH: Cook frozen spinach in microwave as per package instructions. I add a teaspoon of water and microwave it, covered, for 3 1/2 minutes on High. Drain in strainer, squeezing out as much moisture as possible. It's ok if a little bit remains. Note 1 for using fresh spinach.
MAKE CREAM SAUCE: Heat butter and/or oil on medium heat in a medium saucepan. Add onions and sauté gently for 3 minutes. Add garlic and sauté another 30 seconds. Mix in flour to make a roux. Stir for 2 minutes until it turns pale brown. Don't let it get dark. Add any combination of milk and cream that you like to equal 1 1/2 cups/354 ml. I generally use mostly fat free or 2% milk and about 1/4 cup half and half (10%) cream. Stir until thickened, about 5 minutes. Add salt, black pepper and nutmeg (if using) to your taste.
COMBINE: Stir in cooked well-squeezed-out chopped spinach. Add Parmesan cheese if using. If mixture is too thick, add more milk until desired consistency is reached. Taste and adjust seasonings. Serve immediately. Note 3 to make ahead.