In a small saucepan, combined the butter and sweetened condensed milk stirring constantly over low heat until butter is melted.
Powdered sugar Instruction: Recipe calls for 7 cups of powdered sugar. If you want eveb creamier filling, use less powdered sugar, starting with using 5 cups and continue adding more as needed in next step.
In a large bowl add the powdered sugar and add the sweetened condensed/butter mixture and beat until smooth. Stir in the walnuts, maple flavoring and vanilla.
Scoop using a medium 1 1/2 heaping tablespoons, scoop and roll it into a smoother ball. Can roll them nicer once they are refrigerated in next step. Place on waxed paper lined baking sheets.
Refrigerate until firm in sealed container – about 1 hour if using 7 cups of powdered sugar. If you opted for the creamier filling, using less powdered sugar, starting with using 5 cups and continue adding more as needed. Let balls firm up 3 hours or overnight is always a good option as well, if you like doing your truffles in stages. When dipping your balls in the chocolate they need to be firm enough to dip.
In a microwave, melt the chocolate in 45 second increments and stir and repeat in microwave until melted, stirring well to keep tempering the chocolate nicely with each increment. Add oil and mix to thin the chocolate for nicer dipping.
Dip balls into chocolate and place on waxed paper. Let stand until set. Store in an airtight container in the refrigerator.
For a sweet and salty twist, add some sea salt on top, pecans, walnuts, drizzles of chocolate flavors you love or fall sprinkles!