Place pecan halves in a single layer on a large baking sheet. Bake in the preheated oven 7 to 10 minutes, or until browned.
In a food processor, mix together cream cheese, stilton cheese, port wine, honey and pepper. Process until smooth. Transfer to a sealable plastic bag.
Arrange half the pecans on a large, flat serving dish, flat side down. Cut the tip off plastic bag. Pipe approximately 1/4 teaspoon cream cheese mixture onto each half. Top with remaining pecan halves, flat side down. Pipe another 1/4 teaspoon cream cheese mixture onto each. Garnish with chives.
