Rob’s custard is frozen custard not made from a bag or mix. Simple ingredients made from our own formula crafted and refined for over three years. Amy’s Doughnuts invites you to enjoy something really special and that’s Rob’s Custard, coming soon. We offer chocolate and vanilla in single or family size servings to go, only at Amy’s Doughnuts, Simply Delicious. $4 a serving or $7 a quart.