Related Clues:

• "Consider it done"
• 'It's ___!' ('Simple!')
• 'Simple'
• "Piece of cake!"
• No challenge
• "Piece of cake"
• "Easy!"
• ''Piece of cake!''
• ''No problem!''
• ''Nothing to it!''
• ''Easy!''
• Couch potato's comment about the 17-, 26-, 48- and 63-Across 'workouts'
• No sweat
• 'No prob!'
• Easy as ABC