01 -
Place the mini chocolate chips in the freezer until needed in step 6.
02 -
Line an 8x8 pan with parchment paper and set aside.
03 -
Measure out the all-purpose flour in a medium bowl and microwave for 30 seconds to 1 minute until it reaches 165°F (74°C). Stir and set aside.
04 -
In a stand mixer or using an electric hand mixer, cream together the softened butter, granulated sugar, brown sugar, milk, and vanilla until thoroughly combined.
05 -
Mix the heat-treated flour and salt into the wet mixture until completely incorporated. Set aside.
06 -
In a small bowl, microwave the white chocolate chips and sweetened condensed milk for 2 minutes, stirring every 30 seconds, until smooth.
07 -
Pour the white chocolate mixture into the cookie dough mixture and combine until smooth.
08 -
Fold in the frozen mini chocolate chips quickly.
09 -
Pour the fudge mixture into the prepared pan and spread evenly.
10 -
Refrigerate for 2 hours or until firm before cutting into squares. Store in the refrigerator until ready to serve.