Chocolate Chunk Share Cookie

40min · 8 servings Ingredients: • 85 grams unsalted butter, softened • 3/4 cup (135 grams brown sugar • 1/4 cup (55 grams caster (superfine) sugar • 1 egg • 2 teaspoons vanilla extract • 1 cup (150 grams plain (all-purpose) flour • 1/8 teaspoon bicarbonate of (baking) soda • 1/4 cup (25 grams cocoa powder • 50 grams milk chocolate, chopped • 50 grams white chocolate, chopped • 1 can of dulce de leche • Vanilla ice cream to serve • Vanilla ice-cream and store-bought caramel sauce or dulce de leche*, to serve Instructions: • Preheat oven to 160°C (325°F). • Place the butter, both the sugars, egg, vanilla, flour, bicarbonate of soda and cocoa in a food processor and process until a dough forms. • Press the dough out to a 26 centimeters round on a baking tray lined with no