Brown sausage in a large nonstick pan that has a lid, using a spatula to crumble sausage at it browns.
When sausage has browned, remove from pan and set aside. Do not drain fat from pan.
Add onion and cook 3 minutes, stirring occasionally, until lightly browned and softened.
Add in garlic and cook 1 minute until soft and fragrant.
Place sausage back in pan, stir to mix well.
Break lasagna noodles into pieces and add to pan.
Dump in sauce, water, herbs, and noodles and stir to mix well.
Bring to a boil, then reduce heat to low.
Stir in ricotta cheese and shredded mozzarella cheese and half of the parmesan.
Cover pan with a lid and cook for 15 minutes, or until your noodles are al dente - with just a little bite left. Stir often to prevent burning.
Top with rest of parmesan and thin mozzarella slices and let melt.
When cheese is melted, remove from heat, and serve.
Garnish with parsley and grated parmesan cheese, optional.