Trade body warns that changes are likely to drive up costs and push pupils to find somewhere to buy junk food Business live – latest updatesA government push to get schoolchildren eating more lentils, pulses and beans at lunch could have a “devastating effect”, making catering services unviable, school meal providers have warned.Proposals for healthier meals in English schools, which would limit the amount of desserts and reduce “grab-and-go” items such as pizzas and sausage rolls, would pile pr