Ingredient of the Day: Basil

Basil

Basil is a versatile and aromatic herb that has served as a staple in kitchens and cultural ceremonies for thousands of years. As a member of the Lamiaceae family, which also includes mint, rosemary, and thyme, it is prized for its diverse flavor profiles and essential oils. Whether used fresh in a classic pesto or dried for long-term storage, this herb remains one of the most popular plants for home gardeners and professional chefs alike.

Origin & History

The botanical history of basil, or Ocimum basilicum, traces back at least 5,000 years to its native regions in India, Africa, and tropical Asia, according to the University of California Master Gardeners [1, 3]. The genus name Ocimum is derived from the Greek word okimon, meaning smell, while the species name basilicum stems from the Greek term for royal [1, 2, 9]. Ancient cultures held the plant in high regard, with some traditions suggesting that only royalty should harvest it using a golden sickle [7]. Beyond the kitchen, the herb was historically utilized by ancient Egyptians for embalming and by various cultures in religious ceremonies to protect the dead in the afterlife [4, 5].

Production

Basil is a sun-loving annual that thrives in warm, well-drained soil with a pH between 6.0 and 7.5 [3, 6, 7]. Gardeners typically sow seeds indoors before the last frost or direct-seed into warm soil once temperatures consistently reach 65 to 80 degrees Fahrenheit [6, 9]. The plants require full sun for six to eight hours daily and consistent moisture to prevent wilting [3, 6, 7]. Harvesting can begin once the plant reaches six to eight inches in height, with growers often picking individual leaves or entire stem tips every few days to encourage bushier growth [4, 6].

Culinary Uses

Culinary applications for basil are vast, spanning across Italian, Thai, Vietnamese, and Indonesian cuisines [3, 5, 6]. Sweet basil is the most common variety used for Italian pesto, tomato-based sauces, and fresh salads [6, 8]. In Southeast Asian cooking, Thai basil and lemon basil are frequently added to stir-fries, fish dishes, and teas to provide distinct anise or citrus notes [3, 5, 9]. Beyond savory applications, the herb is occasionally used to flavor beverages and even ice cream, showcasing its remarkable versatility in both sweet and savory preparations [3, 8].

Nutrition & Facts

Basil contains essential oils such as linalool, which contribute to its characteristic floral scent and sweet flavor profile [2]. While primarily used as a seasoning, the plant has a long history of medicinal use, including traditional herbal preparations for treating dysmenorrhea [5]. There are over 160 known varieties of basil, ranging from the large-leafed Genovese types to small-leafed bush varieties [3, 6, 10]. Because the plant is sensitive to cold, it is often grown in containers that can be moved indoors to a bright windowsill during the winter months [7, 8].

Recipe Featuring This Ingredient

Classic Fresh Basil Pesto

A vibrant and aromatic sauce that highlights the bright, peppery notes of fresh basil leaves.

Prep time: 10 min | Cook time: 0 min | Total time: 10 min | Yield: 4 servings | Difficulty: Easy

Ingredients

• 60 grams fresh basil leaves, packed
• 60 ml extra virgin olive oil
• 30 grams pine nuts
• 30 grams grated Parmesan cheese
• 2 cloves garlic, peeled
• 0.5 tsp salt

Instructions

1. Combine the fresh basil leaves, pine nuts, and garlic in a food processor and pulse until coarsely chopped.
2. Add the grated Parmesan cheese and salt to the mixture, pulsing again to incorporate the ingredients.
3. With the processor running on a low setting, slowly drizzle in the olive oil until the sauce reaches a smooth, emulsified consistency.
4. Taste the pesto and adjust the salt if necessary before serving immediately over pasta or as a spread.

Notes

To maintain the bright green color of the pesto, blanch the basil leaves in boiling water for five seconds and shock them in an ice bath before blending. Store any leftovers in an airtight container in the refrigerator for up to three days, or freeze in ice cube trays for longer storage.