The mother explains to her daughter that while individual ingredients like cooking oil, raw eggs, and flour may seem unpleasant on their own, when combined properly they make a delicious cake. Similarly, while difficult times may seem unfair, God uses these challenges to ultimately bring something positive, though his plans and reasons are unknown to us. We must trust that God will not let us fall and will bring something wonderful from our hardships, just as combining raw ingredients makes a tasty cake.