—Gift Cards— TREAT YOUR FAMILY, COLLEAGUES, PALS, AND TASTEBUDS. Show them you have great taste. For every $25 gift card you purchase, you’ll receive a $5 Walnut Bucks card* now through Father’s Day, June 18. Click here for more information. How many brunches are left? Check Balance Gift cards can be purchased at any Black Walnut Cafe location. Contact us for more details.