Related Clues:

• Dough-raiser
• You'll get a rise out of it
• Bread baker's ingredient
• Beer fermenter
• Brewing agent
• Common catalyst
• Fermentation cause
• Brewing stuff
• Bread machine need
• Catalytic converter?
• Matzo's lack
• Type of flour
• Cereal protein
• Expanding agent
• Dough-rising ingredient