"Your favorite dip and your favorite pasta walk into a bar...."
(8-oz.) package manicotti
(16-oz.) container ricotta
package frozen spinach, thawed and drained
chopped artichoke hearts
shredded mozzarella, divided
Kosher salt
Freshly ground black pepper
Pinch of crushed red pepper flakes
butter
cloves garlic, minced
all-purpose flour
milk
freshly grated Parmesan
Juice of ½ a lemon
Freshly chopped parsley, for garnish