question: What is a good beer pairing for Roast beef?
answer: A great choice for Roast beef is #Mashtag 2013 (Democratic American Brown Ale.). Here's the recipe:
  A rich, nutty Brown Ale with a deep, rich malt profile, hopped with a range of citrusy and spicy US varieties. Mellow yet endlessly complex, with enough chocolate and fruit character to balance the bitterness, and a soft oaky roundness.
  ABV: 7.5% | IBU: 50
  Malts:
  - Extra Pale (5 kilograms)
  - Dark Crystal (0.5 kilograms)
  - Caramalt (0.44 kilograms)
  - Amber (0.25 kilograms)
  - Chocolate (0.19 kilograms)
  Hops:
  - Motueka (10grams @ start)
  - Magnum (12.5grams @ start)
  - Cascade (6grams @ middle)
  - Amarillo (6grams @ middle)
  - Cascade (5grams @ end)
  - Amarillo (5grams @ end)
  - Willamette (5grams @ end)
  Yeast: Wyeast 1272 - American Ale II™
  Method: Mash: 65°celsius for 90min
  Tip: Add the hazelnuts and oak chips during the cold conditioning phase.