Ingredients

• 1/2 teaspoon grapeseed oil
• 2 navel oranges (preferably organic)
• 1/4 cup sugar
• 1 cup water
• Special equipment: an electric coffee/spice grinder

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Instructions

1. Preheat oven to 325°F. Line a baking sheet with foil and lightly oil with grapeseed oil.
2. Remove zest from oranges with a vegetable peeler and trim any white pith from zest with a sharp paring knife. Bring zest, sugar, and waterto a boil in a 3-quart saucepan, stirring until sugar is dissolved. Reduce heat and simmer, uncovered, until syrupy, about 6 minutes. Drain zest in a sieve and spread out on baking sheet.
3. Bake zest in middle of oven until dry and crisp, 15 to 20 minutes. Cool on baking sheet on a rack. Grind zest to a powder in electric coffee/spice grinder.