Au Gratin Potatoes

Ingredients

• 1/4 c. margarine
• 1/4 c. flour
• 1/2 tsp. salt
• 5 c. (5 medium) peeled, sliced raw potatoes
• 2 c. milk
• 4 oz. (1 c.) shredded American or Cheddar cheese
• 1/2 c. Parmesan cheese
• 1 c. oil
• 1/2 c. milk
• 3 eggs
• 1 tsp. vanilla
• 1 c. sugar
• 1 1/2 tsp. baking powder
• 2 tsp. cinnamon
• 1/2 tsp. salt
• 1/2 tsp. baking soda
• 1 large box instant vanilla pudding
• 2 c. flour
• 1 c. chopped nuts