Jam Shortbread Cookie Bars - Buttery, melt in your mouth shortbread, smothered in sweet, fruity jam and topped with even more buttery goodness in the form of shortbread streusel. These Jam Shortbread Cookie Bars are the most delicious cookie bar you will ever eat. They are gluten free, ridiculously quick and easy to make, and so yummy you won't believe it!
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