Possible Clues:

• Sausage preserved in aspic horizontally
• Sausage in Mexican cuisine (last 2 letters + first 1 of 39-Down, forward)
• Singers right to raise serving-up of Australian spicy food
• Spanish pork sausage
• Highly seasoned sausage
• Food from Australia one brought back after unpleasant job finished early
• Highly-seasoned pork sausage
• BBC Horizon series making Granada scoff
• Sausage from Co-op's prime line with end cut off
• Tapas bar sausage