How to Cook Frozen Mussels

Featured in: Exquisite Seafood Dishes for Every Occasion

Learn how to transform frozen mussels into a flavorful meal with several versatile techniques. Options include gently steaming, quick sautéing in olive oil, baking until shells open, or smoking for deep flavor. Adding simple ingredients like garlic, parsley, and parmesan creates a rich and aromatic base, while a homemade pesto elevates the mussels even further. Ensure all mussels open fully before serving, discarding any that stay closed to guarantee freshness. Enjoy these mussels as-is, with pasta, or as a savory appetizer for gatherings.

Lily chef cooking Cookingwithmee blog.
Updated on Tue, 17 Jun 2025 15:36:12 GMT
A bowl of mussels in a brown broth. Pin it
A bowl of mussels in a brown broth. | cookingwithmee.com

Frozen mussels are a busy cook’s secret weapon for impressive meals with minimal fuss. Whether you want them smoky for a backyard gathering or buttery and herbed for an easy weeknight dinner, you will find fuss free methods here that will work right from the freezer.

I was skeptical about frozen mussels but after my first smoky batch on the grill my friends swore they were the best shellfish they had ever tasted I now serve these at every family BBQ and they disappear fast

Ingredients

  • Frozen mussels: these are convenient and readily available look for tightly sealed shells for best quality
  • Water: helps to steam open the shells and gives a gentle cooking environment
  • Chicken broth: adds depth of flavor instead of plain water try to use low sodium for better control
  • Olive oil: extra virgin brings rich fruity notes and helps blend the pesto
  • Parmesan cheese: freshly grated melts best and gives a salty creamy finish
  • Parsley: fresh leaves brighten up the whole dish choose vibrant green bunches
  • Pine nuts: toast lightly for extra nuttiness high quality makes a difference
  • Garlic: fresh cloves give that sharp flavor backbone avoid pre minced for best punch

Step-by-Step Instructions

Prepare the Mussels:
Scrub the shells of frozen mussels well under cold water to remove debris do not use hot water or they will start cooking
Steam or Cook the Mussels:
For smoking fill a large pot with water and chicken broth then arrange a single layer of mussels bring to a boil at medium high heat steam mussels one to two minutes until the shells just open discard any that remain closed
Cool and Clean Mussels:
Scoop cooked mussels into a large bowl and let them cool slightly if you like strain the steaming liquid two to three times to get rid of grit or shell bits
Make the Pesto:
Combine olive oil grated parmesan parsley garlic and pine nuts in a food processor blend until smooth set aside this bright pesto will coat the cooked mussels
Remove Mussels from Shells:
Gently pluck meat from the open shells discard shells keep the meat tender by working quickly
Smoke the Mussels:
Pour the strained cooking liquid into a disposable foil pan add mussels and spoon pesto over top prepare your smoker by lining the bottom for easy clean up add wood pellets and bring the smoker to 180 degrees place pan on smoker for one and a half hours
Serve:
Mussels are ready to eat as is with noodles or with crusty bread to soak up juices
A bowl of mussels in a white bowl. Pin it
A bowl of mussels in a white bowl. | cookingwithmee.com

One of my favorite moments was sitting around a summer campfire with my family passing a tray of these smoked pesto mussels fresh off the grill the smoky aroma always takes me back to those long lazy evenings

Storage Tips

Keep any leftover cooked mussels in a sealed container in the fridge for up to two days For longer storage freeze cooked meat without shells in olive oil for up to three months Always discard mussels that do not open after cooking or that smell bad

Ingredient Substitutions

Try swapping pine nuts for toasted walnuts or sunflower seeds for a budget friendly pesto Vegetable broth works instead of chicken broth for a deeper vegetarian flavor No parmesan available grated pecorino or nutritional yeast give a similar effect

Serving Suggestions

Pile mussels over a bed of linguine with white wine sauce for a classic Italian twist Serve as a starter on toasted baguette rounds drizzle extra pesto for color Add cooked mussels to seafood stews or paella for a restaurant worthy finish

Cultural Context

Mussels are a favorite across many culinary traditions from Mediterranean to Asian cuisine Preparation styles and flavors shift but the delight in fresh briny shellfish is universal In coastal European towns you will often find mussels steamed in broth or grilled over open flame a tradition that turns humble seafood into a feast

A bowl of mussels with herbs and sauce. Pin it
A bowl of mussels with herbs and sauce. | cookingwithmee.com

I think the pesto topping truly makes these special It transforms the simple shellfish into something celebratory

Frequently Asked Questions

→ How do I prepare frozen mussels before cooking?

Rinse frozen mussels and scrub the shells under cold water. Do not use hot water to avoid premature opening. Discard any mussels with cracked shells before cooking.

→ What cooking methods work best for frozen mussels?

You can steam, sauté, bake, boil, or smoke frozen mussels. Each technique provides a unique texture and flavor profile.

→ How do I know when the mussels are done?

Cook mussels until their shells fully open. Discard any mussels that remain closed after cooking, as they may not be safe to eat.

→ Can I add extra flavor to frozen mussels?

Enhance mussels with ingredients like garlic, lemon, white wine, butter, herbs, or homemade pesto for rich taste and aroma.

→ Is it necessary to thaw frozen mussels before cooking?

No, frozen mussels can be cooked directly from frozen. However, thawing in the refrigerator can speed up cook time slightly.

→ What should I serve with cooked mussels?

Pair mussels with pasta, crusty bread, or light salads to soak up their delicious broth and enhance the meal experience.

How to Cook Frozen Mussels

Discover multiple ways to cook frozen mussels for smoky, buttery, or baked flavor in minutes.

Prep Time
25 Minutes
Cook Time
90 Minutes
Total Time
115 Minutes
By: Lily

Category: Seafood Delights

Difficulty: Intermediate

Cuisine: International

Yield: 6 Servings (Approximately 1.3 kilograms cooked mussels)

Dietary: Gluten-Free

Ingredients

→ Shellfish and Broth

01 1.0–1.4 kilograms frozen mussels
02 240 millilitres water
03 240 millilitres chicken broth

→ Pesto Ingredients

04 180 millilitres olive oil
05 60 grams parmesan cheese, grated
06 15 grams fresh parsley
07 56 grams pine nuts
08 4 cloves garlic, peeled

Instructions

Step 01

Scrub frozen mussel shells thoroughly under cold water. Avoid using hot water to prevent premature opening of shells.

Step 02

In a large pot, combine water and chicken broth. Place mussels in a single layer. Bring to medium-high heat and boil for 1–2 minutes, just until shells open. Remove opened mussels to a bowl. Discard any mussels that do not open. Repeat steaming if necessary.

Step 03

In a small food processor, blend olive oil, grated parmesan, parsley, pine nuts, and minced garlic until a smooth pesto forms. Set aside.

Step 04

Once cooled, remove mussel meat from shells and discard shells.

Step 05

Strain the cooking liquid two to three times through a fine mesh sieve to remove any shell fragments or sediment.

Step 06

Pour the strained cooking liquid into a disposable 22×33 centimeter aluminum foil pan. Add mussel meat and drizzle with pesto.

Step 07

Line the bottom of the smoker element with 2–3 long sheets of aluminum foil underneath the rack for easy cleanup. Fill the smoker with hardwood BBQ pellets.

Step 08

Preheat smoker to 80°C. Place aluminum foil pan on the rack and smoke for 90 minutes.

Step 09

Serve smoked mussels as is, with pasta, or with bread.

Step 10

Place mussels in a steaming basket above boiling water. Cover and steam for 5–7 minutes or until shells open. Discard unopened mussels. Drizzle with melted butter and seasonings if desired.

Step 11

Heat oil or butter in a pan over medium heat. Add mussels and cook, stirring occasionally, for 5–7 minutes until shells open.

Step 12

Preheat oven to 220°C. Arrange mussels on a baking sheet and bake for 10–12 minutes, or until shells open.

Step 13

Fill a large pot with enough water to fully submerge mussels. Optionally add aromatics such as lemon slices, garlic, herbs, or white wine. Boil over high heat, add mussels, and cook for 5–7 minutes until shells open.

Notes

  1. Always discard any mussels that remain closed after cooking, as they are not safe for consumption.

Tools You'll Need

  • Large pot
  • Food processor
  • Steaming basket
  • Aluminum foil pan
  • Smoker
  • Oven
  • Colander or fine mesh sieve
  • Baking sheet

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains shellfish
  • Contains dairy
  • Contains tree nuts (pine nuts)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 320
  • Total Fat: 26 g
  • Total Carbohydrate: 5 g
  • Protein: 18 g