1 pound fresh spinach, washed and chopped
2 tablespoons butter
1 small onion, finely chopped
2 cloves garlic, minced
1/4 teaspoon ground nutmeg
1/2 teaspoon salt
1/4 teaspoon black pepper
1/4 cup all-purpose flour
1 cup whole milk
1/2 cup heavy cream
4 ounces cream cheese, softened
1 cup shredded cheddar cheese
1/2 cup grated Parmesan cheese
1/2 cup breadcrumbs or crushed crackers
1 tablespoon olive oil
Optional:
1/2 cup cooked mushrooms
1/2 cup diced bell peppers
1 cup cooked chicken, shredded