To provide a food baking apparatus for suppressing useless consumption of energy to perform energy saving.

This baking apparatus 1 includes a casing 2 having superheated steam baking chambers 3A and 3B and a saturated steam baking chamber 4, a conveyor 5 conveying food, a superheated steam nozzle 6, a saturated steam nozzle 41, superheated steam supplying lines 61A and 61B supplying superheated steam to the superheated steam nozzle 6, superheated steam generating parts 8A and 8B generating superheated steam, a saturated steam supplying line 42 supplying saturated steam to the saturated steam nozzle 41, return lines 74A and 74B returning steam in the superheated steam baking chambers 3A and 3B to the superheated steam generating parts through air intake ports 71a and 71b, and air intake passages 7A and 7B, an air intake line 47 sucking steam from the saturated steam baking chamber 4 through an air intake port 45 and an air intake cylinder 46, and two ejectors 92A and 92B inserted between the return lines 74A and 74B and connected with the downstream ends of branched lines 48A and 48B connected to the air intake line 47.