What is the 'sweet milk of Christ' that Peter refers to?

In 1 Peter 2:2-3, Peter describes the 'sweet milk' as the essential teachings and truths about Christ that believers should desire to consume for spiritual nourishment. Just like newborns instinctively crave milk for growth, believers are encouraged to long for the Word of God that brings understanding and strength. This 'milk' is both the foundation of salvation and a sustenance that leads to a deeper love for one another, fostering a community rooted in Christ's redemptive work. Thus, the sweetness of Christ’s promise and love compels believers to grow in their faith and love for others.