Related Clues:

• ___ Chex
• Changes to a cereal
• Basis of porridge
• Tidbit for 60-Across
• Horse's nibble
• Muffin morsel
• Feedbox bit
• Nibble for Dobbin
• This won't fill a filly
• Morsel for a horse
• Small part of a meal
• Farm feed item
• Granola bar morsel
• Seed used in cat grass
• Grain in cereal