Grandma's Raspberry Bars are a classic dessert that combines a buttery shortbread crust with a sweet and tangy raspberry filling. These bars are perfect for any occasion, from family gatherings to potlucks. The crust is made with a combination of flour, sugar, and butter, which creates a deliciously crumbly texture. The raspberry filling is made with fresh or frozen raspberries, sugar, and lemon juice, giving it a bright and refreshing flavor. These bars are easy to make and are sure to be a hit with everyone who tries them!