Abbott's Frozen Custard = McKinney's sweetest new tradition, over 100 years in the making. Since 1902, Abbott's Frozen Custard, known for its ultra-rich flavor and supremely creamy texture, has been a staple of good times and delicious celebrations on the East Coast. Now, we’re proud to be churning our secret family recipe in communities all across the Lone Star State. With a variety of handmade treats, ranging from cones to cakes and sundaes to shakes, come taste the way custard was meant to be: made fresh daily, just for you.