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June 05, 2024 4 min read

Fennel seeds are small, oval seeds from the fennel plant. They taste like licorice and add a sweet, warm flavor to various dishes. You can use them in Italian sausages, chicken curries, vegetable and lentil dishes, herb breads, pickles, and marinades. For most recipes, you'll need to grind the whole seeds to release their full flavor. In this guide, we'll show you how to do that step by step.

How to Grind Fennel Seeds Using a Mortar and Pestle


grey wooden mortar and pestle
Credit: Envato Elements/ wirestock

Grinding fennel seeds with a mortar and pestle is a straightforward process that allows you to extract maximum flavor. Here’s how to do it:

  • Start by measuring the amount of fennel seeds you need for your recipe (a teaspoon or two should be sufficient).
  • Place the seeds in the mortar. Make sure the mortar is dry to prevent the seeds from sticking or clumping.
  • Use the pestle to press and crush the seeds against the bottom of the mortar. Apply firm, downward pressure and move the pestle in a circular motion.
  • Continue grinding the seeds until they reach the consistency you need. For a coarser grind, you'll just need to grind a few minutes. If you need a finer powder, keep grinding.
  • Once you're done, check the texture of the ground seeds. If there are any large pieces left, press them down with the pestle and grind further.

How to Use the Rolling Pin Method to Grind Fennel Seeds


wooden rolling pin on wooden table
Credit: Envato Elements/ Artem_ka

Yes, sometimes all you need to grind fennel seeds is a rolling pin. Here's how to use it:

  • Lay a piece of parchment paper on a flat surface or a cutting board. Scatter the fennel seeds in a single layer. Avoid piling them up so that they can all be evenly crushed.
  • Place another piece of parchment paper over the seeds.
  • Use the rolling pin to press down firmly on the seeds. Roll back and forth with steady pressure to crush them. You may hear the seeds cracking under the pressure, which is a good indicator that they are being broken down.
  • Lift the top parchment paper to check the consistency of the ground seeds. If they're not fine enough, replace the paper and continue rolling until you achieve the desired texture.
  • Once the seeds are ground to your liking, use the parchment paper to funnel them into a container or directly into your recipe.

How to Use a Food Processor, Spice Grinder, or Coffee Grinder to Grind Fennel Seeds


fruits in food processor
Credit: Envato Elements/ GalinkaZhi

If you have a food processor, spice grinder or coffee grinder and need a quick method to grind fennel seeds, this is a great method. Here's how to do it:

  • Fit your food processor with the blade attachment. Make sure the bowl and blade are clean and dry.
  • Pour the fennel seeds into the food processor (fill it about a quarter full).
  • Close the lid securely. Use the pulse function to grind the seeds in short bursts.
  • After a few pulses, stop the processor and open the lid. Use a spatula to scrape down the sides of the bowl. Stir the seeds around if needed.
  • Close the lid and pulse again. Repeat the process of pulsing, stopping, scraping, and stirring until the fennel seeds reach the desired consistency.

How to Store Ground Fennel Seeds


fennel seeds in marble mortar and pestle
Credit: Envato Elements/ wirestock

After grinding, transfer the fennel seeds to an airtight container. Glass jars with tight-fitting lids work great. Place the container in a cool, dark place, such as a pantry or a cupboard away from direct sunlight and heat sources. Heat and light can cause the spices to lose their potency more quickly. Properly stored, your seeds can last for about six months. Make sure to label the container with the date so you know how long they've been stored.

Tips for Grinding


fennel seeds in a wooden bowl
Credit: Envato Elements/ irfanmnur

Here are some additional tips for grinding fennel seeds that you might find useful:

  • Toast the fennel seeds in a dry skillet over medium heat before grinding to enhance their flavor. Heat them until they start to turn golden and release their aroma, then let them cool before grinding.
  • For recipes requiring a very fine powder, consider sifting the ground fennel seed through a fine mesh sieve to remove any larger bits that might have been missed during grinding.
  • When using a food processor or grinder, you can grind fennel seeds together with other whole spices like cumin, coriander, or mustard seeds.
  • If your recipe calls for multiple ground spices, consider grinding the fennel seeds together with the others.

What Can You Use Ground Fennel Seeds for?


fennel seeds in stainless steel bowl
Credit: Envato Elements/ coffeekai

Here are a few ideas to get you started:

  • You can use ground fennel seeds with other spices like coriander, paprika, and cumin seeds to create custom spice blends for meat rubs, marinades, seasoning mixes, and other spicy food.
  • You can use it for sauces, dressings, and vinaigrettes for an extra layer of flavor. It pairs particularly well with citrus-based dressings and creamy sauces.
  • You can add it to bread, muffin, or cookie recipes for a subtle hint of licorice flavor. It can also added to savory breadsticks or crackers.
  • You can sprinkle ground fennel seeds over roasted or sautéed vegetables such as carrots, Brussels sprouts, or potatoes.


Can I grind fennel seeds in advance?

It's best to grind fennel seeds just before you use them. Grinding them in advance can lead to a loss of flavor over time. If you must grind in advance, follow proper storage tips to maintain freshness.

How do I know if my fennel seeds have gone bad?

Old fennel seeds may lose their aroma and flavor. If the seeds or the ground powder doesn't smell potent when you sniff it, it's probably time to replace them.

Is it necessary to wash fennel seeds before grinding?

No. Washing can add moisture and make grinding difficult. To get rid of any debris, just the seeds or wipe them with a cloth.


Grinding fennel seeds is simple. So, next time you reach for this aromatic spice, remember these simple steps to achieve perfect results every time.

For an even better grinding experience, consider using the Pepe Nero Mortar and Pestle. This high-quality tool not only simplifies the process but also helps you extract the most flavor from your fennel seeds. Shop with us today. 

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