1 litre cow's colostrum (milk from the first or second milking after calving)
Whole milk, as needed
1-2 tsp salt
Mixing the colostrum with milk is an art one has to learn, but the rule of thumb is that if it's from the first milking, then it should be thinned 1:1, but if it's from the second milking, then it should be thinned with two parts colostrum to one part milk. To make sure you're getting the mix right, do a test batch and cook it to see how it comes out.
When you're sure of the mix, stir together the milk and colostrum, dissolve the salt in a little warm water and add to the mix. Pour into a saucepan or bowl, put a lid on it …