You were smart to save the broth, Jeeks -- & your lobsters look lovely. I'll toss a few ideas atcha, & you can get jiggy with em -- tweak the broth (flavors) to suit the dish. And, you could try the broth in place of water for rice etc., or use in place of chix broth in otherrecipes. (Perhaps add a chicken bouillon cube?0)
Shrimp in lobster sauce
Make a cornstarch slurry w the stock & use in stir frys.
Egg foo yung (yong) - posted a recipe for the dish (w shrimp) & the sauce. Make a slurry w cornstarch & lobster stock (in place of water) & add soy sauce - from memory.
Linguine & clam/lobster sauce
Crab fried rice
Think I posted a link for Tomato Risotto. Add shrimp.
Mussels - already mentioned. Have a recipe for the mussels served over linguine w lemon & herbs (from memory).
Paella - perhaps add chicken bouillon cube to the stock... & invite me to dinner.
Paella Valenciana La Paella San Diego Vegetarian Paella Lobster Campesina Paella Passion For Paella