Or a measuring cup with a small spout, not collapsing, but silicone: https://smile.amazon.com/1-cup-Silicone-Measuring-Markings-Restaurantware/dp/B07Z4JY28N/ref=mp_s_a_1_33_sspa?dchild=1&keywords=collapsible+silicone+measuring+cup+with+spout&qid=1597855825&sr=8-33-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUFLTjRYVElYWlg0S0MmZW5jcnlwdGVkSWQ9QTAzMzMwNTBPQTlPTERQOEE1U1MmZW5jcnlwdGVkQWRJZD1BMDQyNzA1MTdCMzYyRTRPNlpTTSZ3aWRnZXROYW1lPXNwX3Bob25lX3NlYXJjaF9idGYmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl