All of the food aside from the Toxic Cavern's foods are very underpowered, with some being worse than easier to obtain foods.

List of Proposed Food Buff Equivalents:

Cooked Radgill -> Cooked Cod
Serene Salad -> Mushroom Stew
Cooked Trilocaris Tail -> Cooked Chicken
Seething Stew -> Rabbit Stew with Golden Carrot Saturation
Primordial Soup -> Cooked Salmon/Cooked Mutton
Cooked Lanternfish -> Carrot
Cooked Tripodfish -> Cooked Cod
Cooked Mussel -> Apple
Deep Sea Sushi Roll -> Cooked Chicken

Also Bonus: Eating Beetroot or Beetroot Soup allows you to heal while being irradiated, as beetroots can help with radiation poisoning in real life