How to Use Nasturtium Properly

Introduction

Nasturtium, a vibrant and versatile plant belonging to the Tropaeolum genus, has garnered attention not only for its ornamental beauty but also for its culinary and medicinal applications. Its peppery flavor and vivid blossoms add an intriguing dimension to various dishes, making it a favorite among chefs and home cooks alike. This article delves into the proper uses of nasturtium, exploring its history, production, quality considerations, and storage tips, while dispelling common misconceptions.

What Is Nasturtium?

Nasturtium is a flowering plant that encompasses a variety of species, with Tropaeolum majus being the most commonly cultivated for culinary use. Native to Central and South America, nasturtiums are characterized by their round leaves and bright flowers, which range in color from deep orange to bright yellow. Both the leaves and flowers are edible, offering a unique blend of flavor and visual appeal that enhances various culinary applications.

History and Origins

Nasturtiums have a rich historical background. Believed to have been cultivated by the ancient Incas, these plants were later introduced to Europe in the 16th century. Initially used for their ornamental value, they quickly gained popularity in the culinary world. The name “nasturtium” derives from Latin, meaning “nose-twister,” a nod to the plant’s spicy flavor profile. Over centuries, nasturtiums have become a staple in gardens around the globe, celebrated for their ease of growth and myriad uses.

Production and Processing

Nasturtiums thrive in well-drained soil and prefer full sunlight, making them relatively low-maintenance plants ideal for home gardens. They can be grown from seeds or transplants and typically bloom from spring through fall. Once harvested, nasturtium leaves and flowers should be handled delicately to preserve their flavor and aesthetic quality.

Processing nasturtium involves minimal intervention. To prepare for culinary uses, the leaves can be rinsed gently under cold water and dried, while the flowers can be plucked carefully from the stem. It is recommended to use nasturtiums fresh to maintain their vibrant color and flavor, as they tend to lose potency when dried or preserved.

Quality and Grading

The quality of nasturtium can significantly impact its culinary applications. High-quality nasturtiums should exhibit vibrant color, firm texture, and a fresh, peppery aroma. When selecting nasturtium, pay attention to the following indicators:

• Color: Look for bright, saturated colors, which indicate freshness.
• Texture: Leaves should be crisp, while flowers should be firm and intact.
• Aroma: A strong, peppery scent is a sign of quality nasturtium.

Avoid wilted or discolored specimens, as they may lack flavor and nutritional value.

Buying Considerations

When purchasing nasturtium, consider the following factors:

1. Source: Opt for organic varieties when possible, as they are less likely to be treated with harmful pesticides.

2. Freshness: Purchase from reputable vendors or local farmers’ markets to ensure optimal freshness.

3. Variety: Familiarize yourself with different nasturtium varieties, as some may offer distinct flavors or colors that can enhance your culinary creations.

In addition to fresh nasturtium, you can also find dried varieties, though they may not provide the same flavor impact as fresh leaves and flowers.

Uses and Applications

Nasturtium can be utilized in a variety of culinary applications, thanks to its unique flavor profile and aesthetic appeal. Below are some of the most common uses:

Culinary Uses

• Salads: Nasturtium leaves and flowers can be added to salads for a peppery kick and vibrant color contrast.
• Garnishes: The striking flowers serve as an elegant garnish for soups, appetizers, and main dishes, enhancing visual appeal.
• Herbal Infusions: Nasturtium can be incorporated into vinegars or oils to create flavored condiments.
• Pesto: The leaves may be blended with nuts, cheese, and oil to create a distinctive pesto variation.
• Stuffed Dishes: Flowers can be stuffed with various fillings, adding a unique presentation to appetizers.

Non-Culinary Uses

Beyond the kitchen, nasturtium has applications in gardening and landscaping. Its ability to attract beneficial insects makes it a popular choice for companion planting. Additionally, nasturtiums are known to deter pests like aphids, making them an excellent addition to vegetable gardens.

Storage and Shelf Life

To maximize the shelf life of nasturtium, proper storage techniques are essential. Follow these guidelines:

• Refrigeration: Store fresh nasturtium in a plastic bag in the refrigerator. It is best used within a few days of purchase for optimal flavor and texture.
• Avoid Moisture: Excess moisture can lead to wilting and spoilage; ensure leaves and flowers are dry before storage.
• Freezing: While not common, you can freeze nasturtium leaves for future use. Blanch them briefly before freezing to preserve color and flavor.

Common Misconceptions

Despite its popularity, several misconceptions about nasturtium persist:

1. Only for Decoration: While often used for garnishing, nasturtium is fully edible and highly versatile in culinary applications.

2. Only for Salads: Many believe nasturtium is limited to salads; however, its applications extend to soups, sauces, and even desserts.

3. Toxicity: Some individuals mistakenly believe that nasturtium is toxic. On the contrary, it is safe to consume for most people and offers various nutritional benefits.

Frequently Asked Questions

1. Can I eat the seeds of nasturtium?

Nasturtium seeds are edible but should