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Homemade mushroom seasoning in jar. Teaspoon and lid sit off to the right side.

Mushroom Seasoning (Umami Powder)

Easy Mushroom seasoning is an umami seasoning salt. Use it as you would salt in savory recipes. Adds flavor and umami notes. (Recipe from from Nom Nom Paleo: Let's Go. Authors, Michelle Tam and Henry Fong)

Prep Time 10 minutes
Total Time 10 minutes
Servings 1.25 cups

Ingredients

  • 1 ounce dried porcini mushrooms, about one cup (28 grams)
  • cup Diamond Kosher salt, see note (about 90 grams)
  • 1 tablespoon crushed red pepper flakes
  • 2 teaspoons dried thyme leaves
  • 1 teaspoon freshly ground black pepper

Instructions

  1. Place dried porcini mushrooms in the bowl of a food processor or into a high-powered blender. Blend the mushrooms into a fine powder. This usually takes about 2 minutes. (Use high speed on a blender)

  2. Do not open the lid right away. Allow the mushroom powder to settle for about two minutes. Add the salt, red pepper flakes, dried thyme leaves, and black pepper. Process until fine, about one minute.

  3. Again, allow the mushroom powder to settle for a few minutes. Remove the lid and spoon into a jar. Store at room temperature for up to six months.

Recipe Notes

Ingredient Notes and Substitutions. 

Dried Porcini Mushrooms. The key to this recipe are the dried mushrooms. For the best flavor, use dried porcini mushrooms. Other dried mushrooms can be substituted but the flavor will change. 

Note: You can use one ounce of dried mushroom powder in place of grinding whole mushrooms. 

Diamond Kosher Salt. Use Diamond Kosher salt for the best result. It's very light. If you need to use a different salt, it's best to replace it by weight (90 grams). However, if you want to use volume, use 1/3 cup Morton's Kosher salt.

Dried Thyme. Use whole dried thyme leaves, not ground thyme.