1. Combine sugar, buttermilk powder, and salt in a bowl and mix. 
2. In a saucepan combine cubed butter and the sugar buttermilk mix on medium heat just till butter starts to melt. 
3. Slowly add the half and half. Whisk until butter is all melted and sugar is dissolved. 
4. Remove the pan off the heat and add vanilla and baking soda. The mixture will foam but keep mixing. Store syrup in a container in the fridge so it can cool.

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