Heat oil in a large nonstick skillet or Dutch oven over medium-high heat. Add shallot (or onion); cook, stirring, until fragrant, about 30 seconds. Add spinach and cook, stirring, until just wilted, about 2 minutes.Advertisement
Heat butter in a small saucepan over medium-high heat. Add flour and cook, stirring, until smooth and bubbling, about 30 seconds. Add milk, nutmeg, salt and pepper; cook, whisking constantly, until thickened, about 1 minute. Stir the spinach into the sauce. Sprinkle with grated cheese and serve.
1 1/2 vegetable, 1/2 lean meat, 2 1/2 fat