1. 1. Preheat the oven to 350°F (180°C) and line a cupcake tin with liners.

2. 2. In a bowl, mix 2% low-fat milk, white sugar, powdered sugar, pure vanilla extract, and vegetable oil until well combined.

3. 3. Add all-purpose flour, cornstarch, baking soda, and baking powder to the wet ingredients and mix until smooth.

4. 4. Fill each cupcake liner 3/4 full with the batter.

5. 5. Bake in the preheated oven for 18-20 minutes or until a toothpick inserted into the center comes out clean.

6. 6. Allow the cupcakes to cool completely before frosting.