Three Onion Mac and Cheese

Name: Three Onion Mac and Cheese
Ingredients: 1 splash non-stick cooking spray; 4 cups water, for boiling; 2 cups rotini; 1 tablespoon unsalted butter; 4 cloves garlic, minced; 1 shallot, minced; 1/2 onion, diced; 2 tablespoons unsalted butter; 3/4 cup milk; 1/2 packet dry leek soup mix; 1 bunch fresh spinach, stemmed; 1 cup button mushrooms, sliced; 1/4 teaspoon nutmeg; 1 dash salt; 1 dash cracked pepper; 3/4 cup ricotta, whipped with a fork; 1 cup mozzarella, shredded; 1/4 cup wheat germ; 1/2 cup Italian bread crumbs; 2 tablespoons unsalted butter, cold and diced