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Rioja White Blend is a term used to describe the various white-wine blends that are possible under the governing laws of the Rioja DOCa in Spain. One seventh of the vines in Rioja bear light-skinned fruit destined for these blends. As the name suggests, these blends are usually to be found in Rioja, although a similar varietal composition could exist outside the region – Penedes, for example.

Historically, Malvasia Riojana – a regional strain of the widely known Malvasia – held sway as the dominant light white grape of the region. It was later joined by Viura (the local term for Macabeo), which was planted so intensively that it soon surpassed Malvasia as the most populous white of the region.

In the past, Rioja Blanco wines were intentionally subjected to oxidation during both pre-fermentation and maturation in large-format casks. Subsequently, wines exhibited nutty oxidative characters and deep golden hues. More recently, however, producers have turned towards protective vinification in temperature-controlled, stainless-steel fermenters in an effort to conform to the consumer preference for crisp, fresh and largely unoaked whites. Producers who do choose to ferment in oak often do so in smaller barrique casks, avoiding the extreme oxidative process of yesteryear. Thus there are numerous styles of white Rioja.

As mentioned, the dominant Viura provides crisp yet often neutral fruit characters and tart, green-apple acidity. Malvasia Riojana – while having noticeable honeysuckle aromas and textured, melon-like fruit – tends to produce high alcohol if not kept in check. Garnacha Blanca brings peachy citrus aromas and palate weight. Also permitted is the increasingly popular Verdejo variety from neighboring Rueda, which adds its freshly cut grass character and bright acidity to liven up the blend.

A number of little-known local cultivars, including Tempranillo Blanco, Maturana Blanca and Turruntés, are also permitted, as are the international varieties Chardonnay and Sauvignon Blanc.

There was a brief period when various other varieties from France were allowed within the appellation controls. Viognier, Roussanne, Marsanne, Muscat and Petit Courbu have since been banned but this exclusion was not made retrospectively, so fruit from vines that were already planted can still feature in Rioja Blanco.

Food matches for Rioja White Blend include:

• Spanish tortilla
• Basque baked spider crab (txangurro al horno)
• Grilled garlic chicken and figs with tahini sauce