Related Clues:

• Starch source
• Big crop in Iowa
• Hokey stuff
• Cousin of a milkshake
• Ears that can't hear
• Oast filler
• Beer ingredient
• Muffin type
• Ear pieces?
• 'Hee Haw' humor
• Ice cream treat
• Brewing grain
• Float alternative
• It's grown in ears
• Brewery supply