Fantastic Creamed Spinach Gratin - cooking recipe

Ingredients

3 tablespoons butter
5 shallots, thinly sliced crosswise
1 pinch cayenne pepper
2 teaspoons fresh minced garlic
5 (10 ounce) boxes frozen spinach, thawed (hand-squeeze out any excess moisture)
1 (8 ounce) package cream cheese, room temperature
1 cup whipping cream (35% cream)
1 cup full-fat milk
1 cup grated swiss cheese or 1 cup gruyere cheese
1 teaspoon seasoning salt (or use 1/2 teaspoon white salt)
1/2 teaspoon ground black pepper (can use more to taste)
1/4 teaspoon ground nutmeg
1/3 cup grated parmesan cheese

Preparation

Heat oven to 350 degrees F.
Grease a 9-inch baking dish.
Melt butter in a skillet over medium heat.
Add in shallots and cayenne pepper; cook stirring for about 5-6 minutes or until softened but not browned (add in the fresh garlic the last few minutes of cooking).
Hand-squeeze out any excess moisture in the spinach then place in a large bowl.
Add in the shallot/garlic mixture, cream cheese, whipping cream, milk, shredded cheese, seasoned salt, ground black pepper and nutmeg; mix well using a wooden spoon.
Transfer to prepared baking dish.
Sprinkle the top with Parmesan cheese.
At this point you may cover and refrigerate for 24 hours.
Bake uncovered for about 25 minutes or until light golden brown.