It’s beginning to look a lot like Christmas in these tasty Delaware spaces decorated for a festive holiday. Klondike Kate’s Sleigh Bar in Newark and Blitzen in Wilmington have returned to serve a cup of good cheer. To the south, Above the Dunes in Rehoboth is debuting a Miracle Pop-Up on Nov. 21. Schellville in Rehoboth has expanded its food and beer offerings, and Benvenuto in Milford has become a …