Abstract: Apparatus for the production and filling of filled baked products made with batter dough, which comprises a transport device configured to define a movement plane for the movement of baked products or one or more baking trays each provided with cooking hollows to receive a measured quantity of batter dough, a unit to deliver and measure the batter dough configured to deliver a batter dough into said hollows of said baking trays, a product extraction unit configured to remove the cooked baked products from the baking trays and deposit them in organized rows on said transport device, a cooling unit configured to cool the baked products removed from the baking trays, and a horizontal filling unit configured to introduce a filling inside the cooled baked products.