Overview

Macadamia is a genus of four species of trees in the plant family Proteaceae, native to Australia. The nuts are round, hard-shelled, and known for their rich, buttery flavor and creamy texture. They are among the most calorie-dense nuts due to their high fat content.

Origin and history

Macadamia trees grow naturally in northeastern New South Wales and central and southeastern Queensland, Australia. Indigenous Australian peoples have long used the nuts, with names including bauple, gyndl, and jindil recorded from various language groups. Commercial cultivation began in Hawaii in the late 19th century, and Hawaii became the dominant global producer for much of the 20th century. Today, macadamias are also grown in South Africa, Australia, Kenya, and Central America.

Varieties and aliases

Common names include Queensland nut, bush nut, maroochi nut, queen of nuts, and bauple nut. The genus contains four species, but only two produce edible nuts: Macadamia integrifolia and Macadamia tetraphylla. Hybrids of these two are widely cultivated.

Culinary uses

Macadamia nuts are most often eaten roasted and salted as a snack. They are used in baked goods such as cookies, cakes, and pastries, and are a key ingredient in Hawaiian-style macadamia nut brittle and chocolate-covered confections. The nuts can be ground into butter or used as a crust for fish and poultry. Their high oil content makes them unsuitable for some savory applications where a drier nut is preferred.

Cross-cuisine context

In the context of the Filipino pantry, macadamia nut is a common substitute for pili nut, a native nut of the Bicol region (Albay and Catanduanes). Pili nut is described as buttery, mildly resinous, and almond-adjacent, with a flavor profile that macadamia approximates closely. Both nuts are eaten roasted, candied, or used in confections. Macadamia has no direct analogue in Mexican cuisine, where the closest native nut is the pecan (Carya illinoinensis), which has a drier, more tannic character.

Notes for cooks

  • Macadamia nuts spoil quickly due to their high oil content. Store in an airtight container in a cool, dark place or refrigerate for longer shelf life.
  • When substituting for pili nut in Filipino recipes, note that macadamia is slightly less resinous and may produce a milder result.
  • The hard shell requires a nutcracker or hammer to open. Pre-shelled kernels are widely available.