Add ground sausage and season with one teaspoon of kosher salt and several turns of freshly ground pepper. Continue cooking sausage breaking up as it cooks until cooked through.
Add low-sodium chicken broth to Instant Pot and use it to deglaze instant pot by scraping the bottom of the Instant Pot. Stir in marinara and broken uncooked lasagna noodles.
Once Instant Pot has counted down from 5 minutes it has completed cooking. Turn pressure release valve to venting and let Instant Pot Quick Pressure Release. Stir in ricotta cheese and 1/2 cup mozarella cheese. Top with remaing mozzarella and let melt. Sprinkle with fresh herbs and parmesan. Serve immediately.