easy peasy lemon squeezy - When something is so simple you could do it with one eye clo

When something is so simple you could do it with one eye closed and a broken arm.

I finished my homework in 10 minutes. Easy peasy lemon squeezy.

I passed the exam with no study. Easy peasy lemon squeezy.

I beat him at chess with my eyes closed. Easy peasy lemon squeezy.