The little old lady in A Squash and a Squeeze, by Julia Donaldson with illustrations by Axel Scheffler
From Madlenka, by Peter Sis
George in a George and Martha book, by James Marshall
Amos McGee and friends from A Sick Day for Amos McGee, by Philip C. Stead with illustrations by Erin Stead
Frances in A Bargain for Frances, by Russell Hoban with illustrations by Lillian Hoban
If your favorite children's book has a tea scene and is not listed here or in Tea in Children's Books I, please let me know in a comment.