In a 6-QT or bigger Instant Pot/Pressure Cooker, place broth, water, onion, garlic, tamari, maple syrup, rice wine vinegar, pepper, anise, cloves, cinnamon sticks, fish sauce, ginger, & mushrooms, and stir to combine.
Close lid and seal, cook on soup for 60 minutes (on normal pressure).
Quick release, remove lid, and strain broth into a large soup pot (discard all solids).
Bring soup to a boil over high heat, add ramen/noodles & broccoli to broth and cook for 3-5 minutes or until noodles are cooked through. Remove from heat.
Serve in a bowl with broth, noodles, and top with your choice from the ingredients listed as "optional"