Heat oven to 350°F. In large microwavable bowl, microwave 1 cup chocolate chunks uncovered on High 1 minute to 1 minute 30 seconds, stirring every 30 seconds, until melted and smooth. Add butter; using spoon, beat until blended. Add egg; beat until combined. Add cookie mix; stir until soft dough forms. Stir in remaining 1 cup chocolate chunks and the vanilla baking chips. Gently stir in crushed cones just until combined.