Zesty Herb-Marinated Mushrooms with Garlic and Lemon

Published: May 24, 2026
Ava ThompsonAva Thompson
Categories: Appetizers & Snacks
Tags: vegan, Vegetarian, Appetizer, Make-Ahead, Keto

Marinated Mushrooms

Tangy, herb-infused mushrooms that make the perfect keto-friendly appetizer or side dish.

Prep Time:10 minCook Time:5 minTotal Time:15 minServings:6Difficulty:Easy

Nutrition (per serving)

Calories:145 kcal
Protein:2 g
Carbs:4 g
Fat:14 g

There is something incredibly addictive about a well-made marinated mushroom. They are the unsung heroes of the appetizer platter, offering a burst of tangy, earthy flavor that cleanses the palate and keeps you coming back for more. I first fell in love with these at a small deli in Italy, and I have spent years perfecting this balanced, zesty brine that makes them shine.

The key to this recipe is the brief blanching of the mushrooms, which helps them absorb the marinade more effectively while maintaining a pleasant, meaty texture. Whether you are serving them on a charcuterie board or just snacking straight from the jar, these mushrooms are guaranteed to be a hit with everyone at the table and they actually get better the longer they sit in the fridge.

Ingredients

  • small cremini or button mushrooms:1 lb
  • extra virgin olive oil:1/2 cup
  • white wine vinegar:1/4 cup
  • fresh lemon juice:1 tbsp
  • garlic, minced:3 cloves
  • dried oregano:1 tsp
  • red pepper flakes:1/2 tsp
  • fresh parsley, finely chopped:1/4 cup
  • salt and black pepper:to taste

Instructions

  1. Clean the mushrooms with a damp paper towel and trim any woody ends from the stems.

    Mushrooms cleaned with a damp paper towel and trimmed on a cutting board
  2. Bring a large pot of salted water to a boil and cook the mushrooms for 5 minutes. Drain them thoroughly and pat dry with a clean kitchen towel.

    Boiled mushrooms drained in a colander and patted dry on a kitchen towel
  3. In a medium bowl, whisk together the olive oil, white wine vinegar, lemon juice, minced garlic, oregano, and red pepper flakes.

    Olive oil vinegar lemon juice garlic oregano and red pepper flakes whisked into marinade
  4. Toss the still-warm mushrooms into the marinade along with the fresh parsley, ensuring every mushroom is well coated.

    Warm mushrooms tossed with garlic lemon herb marinade and chopped parsley
  5. Season with salt and black pepper to your preference.

    Marinated mushrooms seasoned with salt and freshly cracked black pepper
  6. Transfer the mixture to a glass jar or airtight container and refrigerate for at least 4 hours, or ideally overnight, to let the flavors develop fully.

    Herb-marinated mushrooms transferred into a clear glass jar for chilling

Tips & Notes

  • Use small mushrooms of uniform size so they cook and marinate evenly.
  • Don't skip the boiling step; it helps the mushrooms stay plump and soak up the dressing.
  • These will stay fresh in the refrigerator for up to one week.