01 -
If using fresh spinach, blanch in boiling water for 30 seconds, then transfer to ice water. Drain well and chop roughly. If using frozen spinach, squeeze out excess moisture.
02 -
In a large skillet, melt the butter over medium heat. Sauté the chopped shallot or onion for 2–3 minutes until soft. Add garlic and cook for 1 more minute.
03 -
Stir in the cream and milk. Bring to a gentle simmer and cook for 3–5 minutes until slightly thickened.
04 -
Add the chopped spinach to the pan, stirring to coat in the cream mixture. Simmer for 2–3 minutes until heated through.
05 -
Stir in Parmesan cheese and nutmeg. Season with salt and pepper to taste. Simmer until the sauce reaches your desired thickness. Serve warm.