Often more bitter and roasted malt flavor than a brown porter, but not quite a stout. Robust porters have a roast malt flavor, often reminiscent of cocoa, but no roast barley flavor. Their caramel and malty sweetness is in harmony with the sharp bitterness of black malt. Hop bitterness is evident.
This longstanding style can be traced back to the working class of the 1700s and its popularity More