In a bowl, mix together oatmeal, flour, brown sugar, and cinnamon. Then add oil, honey, raisins and milk and mix well.
Rub a small amount of oil on a baking pan. Spread granola mixture out evenly onto the baking pan. Put in the oven. While it is baking, stir the granola around on the pan carefully every 10 minutes. Bake in the oven for 50 minutes.