To prepare an updated mulled cider recipe, add the following ingredients to a saucepan: 1 cup (240 milliliters) water, 1 teaspoon (2.5 grams) kosher salt, and 3 tablespoons (14 grams ) brown sugar. Bring to boil, then reduce heat to low and simmer until the sugar dissolves, about 10 minutes. Remove from heat and stir in the remaining ingredients. Pour into jars and store in an airtight container up to 3 months.