01 - In a large bowl, beat the butter, light brown sugar, and granulated sugar together until light and fluffy.
02 - Mix in the milk and vanilla extract until fully incorporated.
03 - Gradually add the heat-treated flour and salt, mixing until just combined.
04 - Stir mini chocolate chips into the dough evenly.
05 - Roll the dough into 1-inch balls and arrange them on a parchment-lined baking sheet.
06 - Freeze the dough balls for 30 minutes to firm up before coating.
07 - Melt the chocolate and optional coconut or vegetable oil in a microwave-safe bowl in 30-second intervals, stirring until smooth.
08 - Dip each chilled dough ball into the melted chocolate using a fork or dipping tool, letting excess drip off, then place them back on the baking sheet.
09 - Refrigerate the coated truffles for about 15 minutes until chocolate hardens.
10 - Store truffles in an airtight container in the refrigerator for up to one week.