During the fleeting fiddlehead season this Salad with Fiddlehead Ferns, marinated mushrooms and Swiss cheese is the perfect vegetarian entree salad or something special to bring to a potluck or barbecue.

Marinated Mushroom and Fiddlehead Salad with Swiss Cheese in a salad bowl

Why We Love This Recipe For Salad with Fiddlehead Ferns

Along with the fiddleheads in this beautiful salad, the other big treat: garlicky marinated mushrooms. This dish could be served alongside any type of protein (I love it with grilled steak or fish) or any other side for a festive dinner or get-together in the spring.

Fiddleheads are the tightly wound curls of ferns when they first emerge out of the ground each spring and before they unfurl to become big waving leafy ferns. They taste like crunchy asparagus with a little nuttiness.

Recipe Highlights

  • A great way to serve fiddleheads when/if you have them
  • Easy and foolproof to make.
  • Recipe is easily doubled to serve a crowd

Key Ingredients For This Recipe

  • Baby Bella or Cremini Mushrooms: These mushrooms can be used interchangeably in this salad. Their marinade serves as the dressing for the whole shebang.
  • Pantry Staples: Kosher salt, black pepper, garlic, extra-virgin olive oil, red wine vinegar. (See my guide to vinegar for substitution ideas.)
  • Fresh Rosemary: Use a 1/2 teaspoon dried if you don’t have fresh.
  • Baby Spinach: You could also use a mix of spring greens.
  • Fiddlehead Ferns: You can buy them at good produce markets in the spring. So if you’re not cool enough to be into foraging (I’m totally not cool enough to forage in case you were wondering) then you can just buy them. If you can’t find fiddleheads, use chopped asparagus instead.
  • Swiss Cheese: You’ll need a block of Swiss cheese so that you can cut it into little cubes. Use cheddar if you prefer.

Step-by-Step Instructions to Make This Fiddlehead Salad

Step 1: Cook mushrooms

Place the mushrooms in a medium dry saucepan, then cover and place over medium heat. Cook, without peeking, shaking the pan occasionally until the mushrooms squeak when you shake the saucepan, 5 to 8 minutes. Turn off the heat and let sit covered, undisturbed for 10 minutes. Add olive oil, vinegar, garlic, rosemary, ½ teaspoon salt and pepper, and stir to coat. Let cool.

Step 2: Blanch fiddleheads

Meanwhile, bring a medium saucepan of salted water to a boil. Add fiddleheads and cook until crisp-tender, 3 to 4 minutes. Drain and rinse with cold water. Drain thoroughly.

Step 3: Arrange fiddlehead salad

Arrange greens in a salad bowl. Add fiddleheads and Swiss cheese. Add mushrooms and marinade and toss to combine.

Marinated Mushroom and Fiddlehead Salad with Swiss Cheese on a plate on a table

FAQs and Expert Tips

Storing instructions for this salad with fiddleheads:

Store this dish in an airtight container in the fridge for up to 2 days.

Make-ahead instructions:

Make this fiddlehead salad one day in advance by completing steps 1 and 2. Store the mushrooms and marinade and fiddleheads separately in the fridge until ready to serve. Arrange the fiddleheads and mushrooms in a salad bowl with the Swiss cheese right before serving.

Do fiddleheads have to be cooked to eat them?

Yes. If you don’t cook, store, or prepare fiddleheads correctly, they can cause food poisoning.

Can I freeze fiddleheads for future use?

Absolutely. If fiddleheads are in season while making this recipe, but you know you’ll want to use them later in the year as well, you can quickly blanch them (boil for 2 minutes) until bright green, and freeze in a freezer bag or airtight container for up to one year.

At Healthy Seasonal Recipes, we specialize in cooking with fresh veggies and creating weeknight meals. Sign up HERE to get more produce-forward dinner ideas for FREE! If you make this recipe, please come back and leave a star rating and review. I would love to hear what you thought! Happy Cooking! ~Katie

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Marinated Mushroom and Fiddlehead Salad with Swiss Cheese

Marinated Mushroom and Fiddlehead Salad with Swiss Cheese


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  • Author: Katie Webster
  • Total Time: 45 minutes
  • Yield: 4 servings 1x

Description

This vegetarian entree salad has marinated mushrooms and fiddlehead ferns over greens with cubes of Swiss cheese.


Ingredients

Units Scale
  • 8ounces baby bella or crimini mushrooms, quartered (or cut into six pieces if large)
  • 3 tablespoons extra-virgin olive oil
  • 2 tablespoons red wine vinegar
  • 1 clove garlic, minced
  • 1 teaspoon roughly chopped rosemary
  • 1/2 teaspoon salt, plus more for water
  • 1/4 teaspoon freshly ground pepper
  • 8 cups baby spinach or spring greens
  • 2 cups fiddlehead ferns, trimmed and washed (about 7 ounces)
  • 2 ounces Swiss cheese, cubed

Instructions

  1. Place mushrooms in a medium dry saucepan, cover and place over medium heat. Cook, without peeking, shaking pan occasionally until the mushrooms squeak when you shake the saucepan, 5 to 8 minutes. Turn of heat and let sit covered, un-disturbed 10 minutes. Add olive oil, vinegar, garlic, rosemary, ½ teaspoon salt and pepper and stir to coat. Let cool.
  2. Meanwhile, bring a medium saucepan of salted water to a boil. Add fiddleheads and cook until crisp tender, 3 to 4 minutes. Drain and rinse with cold water. Drain thoroughly.
  3. Arrange greens in salad bowl. Add ferns and Swiss cheese. Add mushrooms and marinade and toss to combine.

Notes

Tip: If you can’t find fiddleheads use sliced asparagus instead.

Freezing Tip: If fiddleheads are in season while making this recipe, but you know you’ll want to use them later in the year as well, you can quickly blanch them (boil for 2 minutes) until bright green, and freeze in a freezer bag or airtight container for up to one year.

  • Prep Time: 25 minutes
  • Cook Time: 10 minutes
  • Category: Salad
  • Method: Stove Top
  • Cuisine: American

Nutrition

  • Serving Size: 2 cups
  • Calories: 330
  • Fat: 21 g
  • Saturated Fat: 5 g
  • Carbohydrates: 20 g
  • Fiber: 7 g
  • Protein: 23 g