Combine flour and brown sugar in mixing bowl.
Cut in butter until mixture resembles coarse crumbs.
Stir in 1/2 cup walnuts.
Place in 13x9-inch pan.
Bake at 400° for 10 to 12 minutes, stirring occasionally, until crumbs are toasted and golden brown.
Combine milk, orange extract and confectioners' sugar in large mixer bowl.
Stir in dates and 1/2 cup walnuts.
Drop by scant teaspoonfuls into crumb mixture.
Shape into balls, rolling to coat.
Store in refrigerator.