[{"_id":{"$oid":"5e2acfc83a695633379fe01c"},"date_added":ISODate("2020-01-24T00:00:00.000Z"),"category":"Indian","recipe":"Chicken Curry","short_description":"Best Curry","images":[{"size":"small","url":"http://cdn..."},{"size":"large","url":"http://cdn..."},],"calories":"500","persons":2,"ingredients":[{"ingredient":"chicken breast","type":"chicken","amount":"100"},{"ingredient":"onion","type":"vegetable","amount":"2"},{"ingredient":"olive oil","type":"oil","amount":"1"}],"instructions":[{"step":1,"description":"Slice the chicken..."},{"step":2,"description":"Slice the onion"}]}]

db.collection.find({"ingredients.type":{$in:["chicken"]}})