
1 (16-ounce) package unsliced fresh mozzarella cheese
12 dried lasagna noodles
3 tablespoons salted butter
3 tablespoons all-purpose flour
3 cups whole milk
1 (3.5-ounce) container crumbled goat cheese
4 cloves garlic, minced
¼ teaspoon ground nutmeg
4 cups tightly packed baby spinach leaves
1 cup tightly packed fresh basil leaves
1 (16-ounce) package shredded low-moisture, part-skim mozzarella cheese