Mushroom ketchup dates back to 17th century. Europeans tried to replicate the Chinese and Indian sauces they have tasted and came up with this delicious condiment. Tomatoes were widely considered poisonous and mushrooms were widely available, so mushroom ketchup was born. Here is my take on it :) Enjoy! Shoutout to Townsend for the idea and recipe!

Ingredients (makes ~1/2 liter):

Button mushrooms - ~4lbs or ~2kg
Salt ~1-2tbsp
Seasoning - up to you
Corn starch (optional) - 1tbsp

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