Sea urchins, those spiky denizens of the ocean floor, might not be the first thing that comes to mind when you think about delicious food. However, in many cultures around the world, particularly in Mediterranean and Asian cuisines, they are considered a delicacy. But what exactly do we eat from sea urchins, and how is it prepared? Let’s dive into the fascinating world of sea urchin cuisine.
The Edible Treasure: Uni (Sea Urchin Gonads)
The primary edible part of a sea urchin is its gonads, often referred to as “uni,” especially in Japanese cuisine. While technically not roe (fish eggs), they are often called sea urchin roe due to their similar appearance and texture. These gonads are the reproductive organs of the sea urchin, and they are prized for their creamy texture and unique flavor.
Different Types of Edible Sea Urchins
Not all sea urchins are created equal when it comes to taste. Several species are commercially harvested for their uni. Here are a few examples:
- Purple Sea Urchin (Paracentrotus lividus): Common in the Mediterranean and Northeast Atlantic, this species is particularly popular in Spain and other Mediterranean countries.
- Red Sea Urchin (Mesocentrotus franciscanus): Found along the Pacific coast of North America, red sea urchins are a significant source of uni.
- Green Sea Urchin (Strongylocentrotus droebachiensis): Harvested along the Atlantic coast of North America, particularly in Maine.
- Japanese Sea Urchin: Several species are harvested in Japan, contributing to the high demand for uni in sushi and other dishes.
The Taste of the Sea (Urchin)
The flavor of uni is often described as a complex blend of sweet, savory, and briny, with a distinct umami character. Its texture is creamy and almost melts in your mouth. The specific flavor profile can vary depending on the species of sea urchin, its diet, and the time of year. Some describe it as tasting like the ocean. High-quality uni should be firm, brightly colored (ranging from pale yellow to vibrant orange), and have a fresh, clean scent.
How to Prepare and Eat Sea Urchin
Sea urchin can be enjoyed in a variety of ways:
- Raw: This is the most common way to experience the true flavor of uni. It’s often served as sushi or sashimi. In Catalonia, Spain, it is eaten directly from the shell with a spoon on a piece of bread.
- Cooked: Sea urchin can be used to flavor pasta sauces, soups, and other dishes. Its rich flavor adds depth and complexity.
- Sea Urchin Butter: Combining sea urchin with butter creates a luxurious spread that can be used on seafood, pasta, or bread.
A Recipe: Sea Urchin Butter
This recipe allows you to preserve the unique flavor of sea urchin and add a touch of elegance to your cooking.
Ingredients:
- 125 grams unsalted butter (about 1 stick), softened
- Roe from 4 sea urchins (about 20 lobes, depending on size)
- Zest of one lemon
- 1 tablespoon minced shallot
- Salt and pepper to taste
Instructions:
- Press the sea urchin roe through a fine-mesh sieve into a bowl using a rubber spatula.
- In a food processor, combine the softened butter, sea urchin paste, minced shallot, and lemon zest.
- Blend until smooth. Season with salt and pepper to taste.
- Chill the butter in the refrigerator until firm enough to work with (about 1 hour).
- Lay the butter out onto a piece of plastic wrap and roll into a log shape about 1½ inch in diameter.
- Return the butter to the refrigerator to chill until solid, or seal tightly and freeze to use later.
Serving Suggestions for Sea Urchin Butter
- Scallops with Sea Urchin Butter: Top seared scallops with a slice of sea urchin butter and broil until the butter is melted and the scallops are cooked through.
- Spaghetti with Sea Urchin Butter: Toss cooked spaghetti with sea urchin butter, olive oil, and grated Parmesan cheese. Add a few lobes of fresh sea urchin roe for an extra touch.
Conclusion: A Taste of the Ocean’s Bounty
Sea urchins offer a unique and delicious culinary experience. From the creamy texture of uni to the rich flavor of sea urchin butter, there are many ways to enjoy this delicacy. If you’re feeling adventurous, seek out fresh sea urchin and discover the taste of the ocean’s bounty.
