Combine first 4 ingredients in a 15- x 10- x 1-inch jellyroll pan.
Bake at 325° for 10 minutes.
Combine butter and next 6 ingredients in a saucepan; cook over medium heat, stirring constantly, until butter melts. Pour over nuts, stirring to coat. Bake an additional 20 minutes, stirring once. Spread nuts on paper towels to cool.