Why do we have Pancakes on Shrove Tuesday?
Pancakes are associated with Shrove Tuesday, the day preceding Lent, because they are a way to use up rich foods such as eggs, milk, and sugar, before the fasting season of the 40 days of Lent. The liturgical fasting emphasizes eating simpler food, and refraining from food that would give undue pleasure: in many cultures, this means no meat, dairy products, or eggs
On the final day of the Shrovetide season, Shrove Tuesday, many traditional Christians, such as Anglicans, Lutherans, Methodists and Roman Catholics, "make a special point of self-examination, of considering what wrongs they need to repent, and what amendments of life or areas of spiritual growth they especially need to ask God's help in dealing with.
On Shrove Tuesday, many Christians finalize their decision with respect to what Lenten sacrifices they will make for Lent. While making a Lenten sacrifice, it is customary to pray for strength to keep it; many often wish others for doing so as well, e.g. "May God bless your Lenten sacrifice.
During Shrovetide, many churches place a basket in the narthex to collect the previous year's Holy Week palm branches that were blessed and distributed during the Palm Sunday liturgies; on Shrove Tuesday, churches burn these palms to make the ashes used during the services held on the very next day, Ash Wednesday