Cut your backing fabric 1 1/2 inches larger than the project square & batting.
Fold in and press
Fold the edge toward the square and press
Fold again .... press and pin, repeat for the opposite side
Stitch down both sides ........ I am using a decorative stitch for this one
Go back to the ironing board and fold, press and pin the two remaining sides
WAA-LAA ....... and you are done.