Preheat oven to 180ºC . Slice eggs & place in double layer, slightly overlapping in greased baking dish. Set aside. SAUCE:Melt butter in pan over low heat. Add apple & onion. Cook, stirring till onion is limp & apple reduced to a puree (10 min). Stir in curry powder, then flour & salt. Stir till smooth. Slowly add milk, stirring as added. Cook, stirring till sauce is thick & smooth. Pour sauce over eggs & place in oven till bubbly hot. Top with parsley. Serve with chutney.