Please choose the correct solution to the question: How to turn whiskey into irish cream?

Solution1: Heat together half and half with condensed milk, add any flavorings your want, combine the cream mixture with whiskey in a mason jar in the fridge for a couple days, then bring to room temperature and enjoy

Solution2: Heat together half and half with buttermilk, add any flavorings your want, combine the cream mixture with whiskey in a mason jar in the fridge for a couple weeks, then bring to room temperature and enjoy

Answer format: solution1/solution2