Toast pecans in a 350-degree oven for 8 minutes.
In a large heavy saucepan, combine the sugar and orange juice.
Cook over medium-high heat, without stirring, until a candy thermometer reads soft-ball stage,
Remove from the heat; stir in pecans and orange zest
Beat mixture with a wooden spoon until it thickens and loses its gloss, about 2 minutes.
Drop pecan halves onto waxed paper to set.
When cool break apart.
Store in an airtight container.