A masticating juicer (10), including a housing (20) with a mastication chamber (30) and a food chute (40), the food chute defining a feeding chamber (50) positioned above the mastication chamber. The food processing apparatus further includes a food pusher (60) configured to be insertable into, and removable from, the feeding chamber. The food chute includes a flexible sealing member (80) that extends from the food chute into the feeding chamber. The flexible sealing member configured to engage the outer circumference of the food pusher when the food pusher is inside the feeding chamber, thereby preventing the back flow of food and juice through the food chute.