From the pattern "Keyholes" on page 6 in the book On a Roll Again:

 

B.  From 5 or the ASSORTED JELLY ROLL STRIPS, cut 9 sets containing 2 - 2 1/2" x 6 1/2" and 2 - 2 1/2" squares.

 

***You will not need to buy another Jelly roll, you can just cut a strip from the matching border fabric.***