Related Clues:

• Like Nero Wolfe—or, his creator
• Certain dark brew
• Heavy brew, and a clue to this puzzle's theme
• Like Italian subs
• Dark beer variety
• Hoppy drink
• Chunky
• Guinness serving
• Sturdily built
• Porter alternative
• Pub pick
• Substantial, as a role
• Guinness order
• Strong drink
• Strongly and heavily built