Related Clues:

• Musicians' improv session
• Muffin spread
• Sandwich spread, for short
• Dieter's stick, perhaps
• BLT enhancer
• Some pats
• Butter's alternative
• Pack like sardines
• Toast enhancer
• Dairy aisle purchase
• Vegetable-oil product
• It's sometimes held in delis
• Food product that melts
• BLT topper
• Food in sticks