Preparation Combine cheese, Port, butter, mustard and pepper in processor. Blend until mixture is smooth, scraping down sides of bowl occasionally. Add onions; using on/off turns, process until just blended. Transfer spread to small bowl or crock. (Can be prepared 3 days ahead. Cover and refrigerate. Bring spread to room temperature before serving.) Place bowl of spread on platter. Surround with crackers and serve.
Preparation Combine cheese, Port, butter, mustard and pepper in processor. Blend until mixture is smooth, scraping down sides of bowl occasionally. Add onions; using on/off turns, process until just blended. Transfer spread to small bowl or crock. (Can be prepared 3 days ahead. Cover and refrigerate. Bring spread to room temperature before serving.) Place bowl of spread on platter. Surround with crackers and serve.