A manually fed dough sheeter safely operable by anyone because of novel guard mechanism which physically prevents operator contact with sheeting rollers in operation, comprising dough piece receiving bin with top inlet aperture spaced well above rollers and defining passage thereto, first guard with lower portion blocking passage and movable by dough piece to move an upper portion to close inlet aperture, manually operable pusher for forcibly presenting to rollers dough piece stuck in passage, tray for receiving sheeted dough and enabling manual movement thereof through ninety degrees and sliding into second stage of sheeter, with second guard closely spaced above tray to prevent hand contact with second stage rollers, surface of tray being textured to substantially eliminate frictional resistance to dough sheet movement, and a circuit for controlling operation of roller driving motor manually or automatically for predetermined time in response to dough piece movement of first guard.