Belly up to the Bar

Challenge 1:  The Bar Cookie

The  flat, easy to pack for picnics, may-be-slightly-gooey bar cookie. Lemon bars, 7 layers bars, you know, those cute squares of joy that always look so delicious.

But the question is, who will reign supreme in this first endeavor?  What will it take to bring home the first prize of  Batch Battles?

Only time and the gentle folding of ingredients will tell...