Ingredients required are 1/2 cups all-purpose flour 3/4 cup white sugar 1/2 teaspoon salt 2 teaspoons baking powder 1 teaspoon ground cinnamon 1/3 cup vegetable oil 1 egg 1/3 cup milk 2 apples - peeled, cored and chopped 1/2 cup white sugar 1/3 cup all-purpose flour 1/2 cup butter, cubed 1 1/2 teaspoons ground cinnamon Procedure/method Preheat oven to 400 degrees F (200 degrees C). Grease six muffin cups or line with paper muffin liners. Stir together 1 1/2 cup flour, 3/4 cup sugar, salt, baking powder and 1 teaspoon cinnamon. Mix in oil, egg and milk. Fold in apples. Spoon batter into prepared muffin cups, filling to the top of the cup. In a small bowl, stir together 1/2 cup sugar, 1/3 cup flour, butter and 1 1/2 teaspoons cinnamon. Mix together with fork and sprinkle over unbaked muffins. Bake in preheated oven for 20 to 25 minutes, until a toothpick inserted into center of a muffin comes out clean note Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.