Line a square 8×8 baking pan with foil. Spray foil with nonstick cooking spray. Set aside.
Add chocolate chips and sweetened condensed milk to a saucepan and mix constantly over medium-low heat until chips are almost melted. Stir in butter and vanilla and continue to stir and heat until completely melted.
3 cup white chocolate chips, 14 oz sweetened condensed milk, 1 tbsp butter, 1 tsp vanilla extract
Divide fudge into bowls and color each bowl with food coloring. Drop chocolate into prepared pan, adding random scoops all around. Swirl with a knife. Top with sprinkles. Gently tap pan on the surface so air bubbles come to the top. Refrigerate until firm, about 4 hours.
Teal food coloring, Violet food coloring
Remove foil from pan and remove foil from fudge. Place on a large cutting board and using a sharp knife, cut into 16 squares.
Video
Notes
Need 2 bowls for coloring. Color one bowl with teal. Color one bowl with violet. Leave some fudge white. Sprinkles = Tylina Sweet Shop Mermaid Sprinkle MixThere are 2 cups of chocolate chips in a 12 oz bag so you’ll need 1.5 bags for the fudge.