question: What is a good beer pairing for Swiss and horseradish sandwich?
answer: A great choice for Swiss and horseradish sandwich is Alpha Dog (Existential Red Ale.). Here's the recipe:
  A Existential Red Ale. with 4.5% ABV. Uses 5 malts and 3 hop varieties. Brewing tip: Crush the malt as close to brewing time as possible. The fresher the malt, the more intense caramel flavours will be released in the wort.