Place 2 white blocks side by side for the fridge body
Place 1 iron block on top of the left block
Place 1 iron block on top of the right block
Place 1 iron door on the front of the left block
Place 1 button or lever next to the door for a handle
Place 1 slab or trapdoor on top as the freezer lid
Place 1 item frame on the front if you want a decorative handle
Place 1 light gray block behind the door if you want a deeper fridge look
Place 1 chest or barrel next to it if you want a kitchen setup
