first fruits
From Longman Dictionary of Contemporary Englishfirst fruitsˌfirst ˈfruits noun [plural] British English RESULTthe first good result of somethingfirst fruits of the first fruits of the government’s privatization policyExamples from the Corpusfirst fruits• After initial impressions, Bodnar climbed on to some concrete slabs and stood back to inspect the first fruits of his design skills.