Man, you got suggestions for just about everything but what you asked for. I will stick to the topic you asked for. The only modern equivalent of boil-in-bag I am aware of is the convenient and very inexpensive precooked uncle ben's rice packets, You can dunk the whole packet in boiling water for 5-7 minutes instead of putting them in a microwate and they are about a buck and a half for a four serving pouch. Cheap and lots of flavors including Jambalaya!