Arborio
What it is
The most widely available risotto rice: large, plump, pearly grains with a visible opaque center (the high-amylose core). Named for the town of Arborio in Piedmont.
How it's made
Grown in the Po Valley of northern Italy, milled to retain its starchy exterior. The big grain holds a lot of surface starch.
Flavor profile
Mild, faintly sweet; produces a very creamy risotto but, because of its larger grain and softer structure, is the most prone to overcooking into mush if neglected.
Culinary uses
All-purpose risotto, especially creamy styles, and rice pudding. Forgiving of availability, less forgiving of timing. Amylose ~18–20%.
Regional variations
The default export risotto rice worldwide; quality varies by mill and crop.
Cultural & historical context
Arborio became the international face of risotto largely through export ubiquity, even as Italian cooks often prefer Carnaroli or Vialone Nano at home.
Reference notes
Tags: `risotto`, `medium-grain`, `Italian`, `high-starch`. Related ingredients: Parmigiano-Reggiano, white wine, saffron, butter, stock. Related cuisines: Italian. Suggested links: Carnaroli, Vialone Nano, Baldo, Saffron. Cannot substitute: long-grain (no creaminess) or sushi rice (no al dente core); among risotto rices it's the least forgiving of overcooking.