01 -
Heat your pan with olive oil and cook those mushrooms until they're golden brown - about 5 minutes should do it. Toss in the garlic and spinach, give it a stir until the spinach wilts down. Season with salt and pepper, then set aside.
02 -
Melt the butter in a pot, stir in flour and cook for a minute or two to make a paste. Slowly pour in warm milk while whisking to avoid lumps. Keep stirring until it thickens up nicely. Add nutmeg, salt, and pepper.
03 -
Heat your oven to 375°F. Spread some sauce in your baking dish, then start layering: noodles, veggies, ricotta dollops, mozzarella, and more sauce. Do this three times.
04 -
Finish with the last of your sauce and sprinkle with mozzarella and Parmesan. Cover with foil and bake for 25 minutes, then uncover and bake 15 more minutes until golden and bubbly.
05 -
Let it sit for 10 minutes before cutting - trust me, it's worth the wait! Then dig in while it's warm and gooey.