Cookbook:Mushroom Ketchup

Mushroom ketchup is a seasoning.

Ingredients

 * 2 lbs edible mushrooms, chopped
 * 3 tbsp salt
 * 1 onion, chopped
 * 2 tbsp finely ground fresh horseradish
 * 1 tbsp lemon zest
 * ¼ tsp cloves
 * ½ tsp allspice
 * ¼ cup cider vinegar
 * 1 pinch of ground cayenne

Procedure

 * 1) Combine the mushrooms and salt. Stir, smash well, and let rest 10 minutes.
 * 2) Transfer mushrooms to a non-metal container, such as a ceramic crock. Cover and let sit overnight.
 * 3) Combine the mushrooms, onion, horseradish, lemon zest, cloves, allspice, vinegar, and cayenne. Bring to a simmer and cook for 15 minutes.
 * 4) Drape a clean cloth over a bowl. Pour the mixture over the cloth, and squeeze to extract all the liquid. The liquid is the mushroom ketchup.

Notes, tips, and variations

 * One may sprinkle leftover mushroom solids over food as a spice.