Diners leave 3 Stacks Smoke and Tap House in Frisco. (Photo ©Chris Wilkins/Texas BBQ Posse) It’s a pretty well-known fact among meat lovers that Collin County has historically been a barbecue wasteland. There are numerous places, but mostly gasser joints cooking unmemorable fare. Nothing remotely approaching the level of Pecan Lodge, MeShack’s or Lockhart Smokehouse, all located south in Dallas County. The folks who just opened 3 Stacks Smoke and Tap House in Frisco hope to change the BBQ landscape in the land of strip malls and restaurant chains. As a resident of Plano, I have high hopes after eating…