Spray a 9-inch square pan with cooking spray and line the bottom with parchment paper. Set aside.
In a large mixing bowl, beat the butter, sugar, and vanilla until smooth and creamy.
Place the flour in a microwave-safe bowl. Microwave for about 1 1/2 minutes, stirring halfway through, until hot.
Add the heated flour and salt to the butter mixture and mix until fully combined.
Melt the white chocolate almond bark in the microwave in 10-second intervals, stirring between each, until smooth.
Stir the sweetened condensed milk into the melted chocolate until fully blended.
Add the white chocolate mixture to the mixing bowl and mix on low speed until smooth.
Toast the waffles until crunchy, then cut into small bite-sized pieces.
Add the waffle pieces and maple syrup to the mixture. Mix on low just until combined.
Spread the fudge evenly into the prepared pan and smooth the top.
Refrigerate for at least 2 hours, or until firm.
Cut into 1 to 2-inch squares and serve.