01 -
Line a 23 x 33 cm baking pan with aluminum foil and coat with non-stick spray. Set aside.
02 -
In a saucepan over low heat, combine white chocolate chips and sweetened condensed milk. Stir constantly until fully melted and smooth. Remove from heat but continue stirring occasionally.
03 -
In a separate saucepan, add granulated sugar, brown sugar, heavy whipping cream, unsalted butter, and baking soda. Cook over medium heat, stirring constantly, until butter is melted and mixture begins to boil.
04 -
Pour the melted white chocolate base into the prepared pan and smooth into an even layer.
05 -
Using a candy thermometer, continue cooking praline mixture until it reaches 113°C (236°F).
06 -
Remove praline mixture from heat. Stir in chopped pecans, vanilla extract, and kosher salt until well combined.
07 -
Pour praline mixture over the white chocolate layer. Gently lift the foil sides, folding the praline towards the center to create a marbled pattern. Repeat until well marbled, then press mixture evenly into pan.
08 -
Allow fudge to cool completely at room temperature before cutting into squares.