Related Clues:

• Sub in the fridge
• Vegetable spread
• Dairy section buy
• Bargain spread
• Dairy-case item
• Pat on bread
• Promise kept in a tub, perhaps
• Topping in a tub
• Spread's old name
• Butter sub
• A toast topper
• Sub on a sub, maybe
• Stick in the dairy case?
• Toast softener
• Bar in the fridge