Supported versions: 1.7, 1.12, 1.13, 1.14, 1.15.
1.7.10 version: https://www.curseforge.com/minecraft/mc-mods/healing-soup/files/2809834
A nostalgic mod. I started playing multiplayer Minecraft almost 10 years ago, and clocked many hours in the mcpvp server. This has actually been made with the original code once shared by owner hclewk, rewritten to work with Forge. Eating mushroom stew (soup back in the day) will heal 4 hearts, although you can raise or lower than in the config. When the health bar is full, it will also fill up the food bar without saturation.
soupHealHalfHeartAmount (default = 8, min 0, max 20): The amount of half hearts the mushroom stew/soup should heal. Minecraft PvP's default was 8.
An example of some of my first soup pvp fights back in 2011 (with a debatable song choice):