Place pork in a 30cm x 25cm metal baking tray. Rub all over with oil. Rub salts into scored skin. Roast for 20-25 minutes or until skin starts to blister.
Reduce oven to 180C or 160C fan-forced. Pour milk around pork (be careful of steam and to not pour any milk over the skin). Add garlic, sage and seeds to milk. Roast for 1 hour.
Increase oven to 260C or 240C fan-forced. Roast for 10 minutes or until skin is blistered and puffed all over. Remove from oven. Carefully lift pork out of braising liquid and transfer to a plate. Stand loosely covered with foil for 10 minutes before carving.
Stir water, yeast, sugar and oil together. Leave for 5 minutes until it becomes frothy on top. Add flour, salt and baking powder. Mix well. Knead. Roll out if making a pizza base or shape for use as buns / bread / loaf. Paint with oil or milk (if you can be bothered). Bake at 200 degrees Celcius for 10-15 minutes.
Toss lemons, and pork with oil; surround pork with lemon slices on parchment-lined baking sheet. Sprinkle pork with salt and pepper; roast at 450 degrees F 30 minutes or until cooked through (145 degrees F).
In large saucepot, heat oil on medium; cook garlic 2 minutes. Add Swiss chard, cover; cover and cook 7 minutes or until tender. Toss chard with orzo, cooked and roasted lemon slices; serve with pork.