Buttermilk Red Velvet Skillet Cookie

Name: Buttermilk Red Velvet Skillet Cookie
Prep time: 20 min
Cook time: 25 min
Total time: 45 min
Ingredients: 2/3 cup (150 mL) Ontario unsalted butter, melted and divided; 1 ½ cups (375 mL) all-purpose flour; 2 tbsp (30 mL) unsweetened cocoa powder; ½ tsp (2 mL) baking soda; ¼ tsp (1 mL) salt; ½ cup (125 mL) packed brown sugar; ¼ cup (60 mL) granulated sugar; 1 egg, beaten; 2 tbsp (30 mL) Ontario buttermilk; 2 tsp (10 mL) red food colouring; 2 tsp (10 mL) vanilla extract; ½ cup (125 mL) white chocolate chips, divided; 2 cups (500 mL) Ontario vanilla ice cream; ½ cup (125 mL) semisweet chocolate chips; ¼ cup (60 mL) Ontario buttermilk; 1 tsp (5 mL) vanilla extract; Pinch salt