Possible Clues:

• Delicacy in a tiny spoon
• Salty and fishy delicacy
• Pricey toast topper
• Cowboy __: bean salad
• Might a vicar be made up to have this luxury dish?
• Ritzy cracker topping
• Blini topping
• Salt-cured sturgeon's roe
• Salted topping for blini
• Impressive spread?