preheat oven to 350°F,

Adjust oven rack to middle position

Line rimmed cookie sheet with parchment paper and spread pecans in even layer; toast 4 minutes, rotate pan, and continue to toast until fragrant and color deepens slightly, about 4 minutes longer. Transfer cookie sheet with nuts to wire rack.

For the spice mix: While nuts are roasting, srir together sugar, salt, cinnamon, cloves,and allspice in medium bowl; set aside.

For the glaze: Bring rum, vanilla, brown sugar, and butter to boil in medium saucepan over medium-high heat, whisking constantly. Stir in toasted pecans and cook, stirring constantly with wooden spoon, until nuts are shiny and almost all liquid has evaporated, about 11/2 minutes

Transfer glazed pecans to bowl with spice mix; toss well to coat. Return glazed and spiced pecans to parchment-lined cookie sheet to cool (can be stored in an airtight container for up to 5 days).