Open the Crafting Table
Place 1 Chest in the center slot
Place 5 Iron Ingots in a V shape around the chest
Put 2 Iron Ingots in the top-left and top-right slots
Put 1 Iron Ingot in the middle-left slot
Put 1 Iron Ingot in the middle-right slot
Put 1 Iron Ingot in the bottom-center slot
Take the Hopper from the result slot