Related Clues:

• Panini's kin
• "___ in your mouth, not . . ."
• Begins to thaw
• Dissolves into a puddle
• What ice cream does in the sun
• Liquefies plastic, say
• Alters states
• Sandwich options
• Goes 'awwwww'
• Gets all gooey
• Tuna sandwiches
• Goes from one state to another
• Gooey sandwiches
• Sits on the kitchen counter until dinner, say
• Gets out of shape?