Creamy Brussels Sprout and Mushroom Lasagna

INGREDIENTS

1 lb

Brussels sprouts

24 oz

Button mushrooms

Garlic cloves, minced (about 4 teaspoons), medium

2 tbsp

Parsley, fresh leaves

1 tbsp

Picked fresh thyme, leaves

Shallots, finely chopped (about 1/2 cup), medium

package No-boil lasagna noodles

3 tbsp

Flour

Kosher salt and freshly ground black pepper

1/4 tsp

Nutmeg, grated

2 tbsp

Canola oil

5 tbsp

Butter, unsalted

2 cups

Heavy cream

3 cups

Whole milk

1 lb

Whole milk mozzarella cheese, grated

1 ounce grated Parmiggiano-reggiano