Hi! Can you help me please, so you can make your own yogurt and there is a recepie calls for 1 can of condense milk and 1 l of fat free milk that makes about 1, 5 l of yogurt, but how do I measure the Serving size?Hi! Can you help me please, so you can make your own yogurt and there is a recepie calls for 1 can of condense milk and 1 l of fat free milk that makes about 1, 5 l of yogurt, but how do I measure the Serving size?