Mushroom Lasagna

INGREDIENTS

1 1/2 lb

mixed mushrooms (oyster, shitake, crimini), roughly chopped

shallots, finely diced

6 cloves

garlic, roughly chopped

kosher salt and freshly cracked black pepper

8 cups

fresh spinach

2 tbsp

olive oil

4 tbsp

butter

4 tbsp

flour

3 cups

milk

kosher salt and freshly cracked black pepper

1/2 tsp

freshly grated nutmeg

1 lb

fresh mozzarella, torn into pieces

15 oz

whole milk ricotta

3/4 cup

freshly grated Parmesan

package no-boil lasagna sheets