Cookie Layer
Mix wet ingredients. Stir in dry ingredients until just combined.
Brownie Layer
Mix wet ingredients. Fold in dry ingredients. Do not overmix.
Assembly and Bake
Divide brownie batter between tins.
Spoon cookie dough over brownie batter and spread gently.
Sprinkle chocolate chips over the top.
Bake 28-38 minutes (6 inch tins) or 32-42 minutes (5 inch tins) at 180°C.
Cool at least 30 minutes before serving.
