Related Clues:

• 'Piece of cake'
• Easy
• 'Easy!'
• 'Piece of cake!'
• 'That's easy!'
• ''Piece of cake''
• "Consider it done"
• 'Simple'
• "Piece of cake!"
• "Piece of cake"
• "Easy!"
• ''Piece of cake!''
• ''Nothing to it!''
• ''Easy!''
• Couch potato's comment about the 17-, 26-, 48- and 63-Across 'workouts'