Possible Clues:

• The snack might result in bad chin wads
• Snack for a lord
• Makes a meal of gritty stuff coming from women's organisation connected to church
• The snack gives you bad chin wads
• Hero, for one
• Filled snack
• Snack named for a lord
• Snack; sponge cake
• A lord's snack
• Bread with filling