Overview

Herbal tea is a beverage made by infusing or decocting herbs, spices, flowers, fruits, or other plant material in hot water. Unlike true teas (Camellia sinensis), herbal teas contain no caffeine from the tea plant. Common examples include chamomile, peppermint, and ginger infusions.

Origin and history

The practice of infusing plant material in hot water predates recorded history and appears independently across virtually all human cultures. In East Asia, dried longan fruit (long yan) is steeped as a sweet, warming tea [1]. In Russia, fermented fireweed leaves (Chamerion angustifolium), known as Ivan-chai, were the dominant domestic tea before the introduction of Camellia sinensis from China [2]. In Vietnam, cooling herbal decoctions called nước sâm combine pandan, sugarcane, and dried longan, reflecting Chinese-Vietnamese culinary inheritance [4]. In El Salvador, ginger (jengibre) is used in herbal teas [3].

Varieties and aliases

  • Chamomile tea (Matricaria chamomilla)
  • Peppermint tea (Mentha × piperita)
  • Ginger tea (Zingiber officinale)
  • Ivan-chai / fireweed tea (Chamerion angustifolium) — Russia [2]
  • Nước sâm — Southern Vietnam, a cooling herbal decoction [4]
  • Longan tea (long yan) — China, from dried longan fruit [1]
  • Rooibos (Aspalathus linearis) — South Africa
  • Hibiscus tea (Hibiscus sabdariffa)
  • Lemon balm, lemon verbena, lemongrass teas
  • Tisane (general French-derived term for herbal infusion)

Culinary uses

Herbal teas are prepared by steeping plant material in hot water for 3 to 10 minutes, or by simmering tougher roots and barks as a decoction. They are served hot or iced, often sweetened with honey or sugar. In Vietnam, nước sâm is served chilled as a sweet, medicinal beverage [4]. In Russia, Ivan-chai was traditionally drunk plain or with honey, and was exported to Europe in the 19th century [2]. In El Salvador, ginger tea is used both as a daily beverage and as a home remedy [3]. Herbal teas are also used as cooking liquids for grains, as bases for punches, and as flavoring agents in desserts.

Cross-cuisine context

Herbal tea has no single analogue in Mexican cuisine because the category is so broad. However, Mexican cuisine has its own deep tradition of herbal infusions: aguas frescas (water-based drinks with fruit, flowers, or seeds), atoles (corn-based hot drinks), and tisanes made from native plants like Jamaica (hibiscus), flor de calabaza (squash blossom), and canela (Ceylon cinnamon). The Russian tradition of Ivan-chai parallels the Mexican use of native plants for daily tea before colonial introductions [2]. Some cooks compare Vietnamese nước sâm to Mexican aguas frescas, as both are sweet, chilled, plant-based beverages, though nước sâm is often prepared as a medicinal decoction rather than a simple steep [4].

Notes for cooks

  • Dried herbs generally require less material than fresh; use about 1 teaspoon of dried herb per cup versus 1 tablespoon of fresh.
  • Roots and barks (ginger, licorice, cinnamon) benefit from a 10- to 15-minute simmer rather than a brief steep.
  • Many herbal teas lose potency after six months of storage; store in airtight containers away from light and heat.