Combine cinnamon and sugar and coat pan with mixture.
Mix apples, eggs and oil with electric mixer.
Add flour, sugar, baking soda, and cinnamon; mix well. Pour into pan and bake about 1 hour or until a toothpick inserted in center comes out clean.
Allow cake to rest in pan for at least 10 minutes before inverting onto a cake plate.
To prepare glaze, combine butter, brown sugar and milk in a saucepan. Bring to a boil and cook for 1 minute. Spoon over cake. Allow to cool before serving.