1Heat oven to 400°F. Line cookie sheet with cooking parchment paper. Place bread slices with sides touching in single layer on parchment paper. Brush with oil.
2Bake 5 to 7 minutes or until bread is toasted. Meanwhile, in medium bowl, stir together remaining ingredients except 1 tablespoon of the chives.
3Spoon mixture on toasted bread slices; sprinkle with remaining 1 tablespoon chives.
4Bake 10 to 12 minutes or until cheese is melted and golden brown. Cool 5 minutes. Slide parchment and bread onto wooden cutting board or serving platter so guests can pull them apart. Serve warm.