Teachers were appalled when a mother sent her child to school with a sandwich filled with just Smarties.
The chocolate-filled butty has prompted calls for an overhaul in pupils' diets at the Lincolnshire school - including a trial of free school meals.
Health workers at NHS Lincolnshire went in to assess what pupils were bringing in for lunch - and found a wealth of youngsters were gorging on crisps, sweets and chocolate.
Lincolnshire already has one of the highest rates of childhood obesity in the country, with one in three children categorised as obese.
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