Name: Makeover Spinach Gratin
Prep time: 10 min
Cook time: 40 min
Total time: 50 min
Yield: 13 servings
Ingredients: 3 tbsp whipped butter (I used Land O Lakes); 1 cup finely chopped onion; 1/4 cup flour (use Gluten free AP flour for GF); 1/4 tsp fresh grated nutmeg; 3 cups 2% milk; 3 lbs 3 16-oz packages frozen chopped spinach, defrosted; 3/4 cup freshly grated Parmesan cheese; 1 tbsp kosher salt; 1/2 tsp freshly ground black pepper; 1/2 cup shredded Swiss or Gruyere cheese