Possible Clues:

• Recently auctioned painting features our dairy product
• Short root, large amount that's often served with nachos
• Baked potato topper, sometimes
• Dairy item
• Chip flavoring
• Ingredient in many recipes for Swedish meatballs
• White dollop on a baked potato
• Tangy baked potato topping
• Enchilada topping, maybe
• Baked potato topping