Preheat oven to 350° and grease a Bundt pan by using cooking spray.
In a large bowl beat cake mix using hand mixture.
Add water, butter, and eggs.
Pour ⅓ mixture batter into prepared Bundt pan.
Divide remaining mixture in half.
Stir food coloring and strawberry extract into one-half and pour over white batter in the pan.
Stir vanilla and chocolate sauce in the remaining half and pour over strawberry batter.
Bake until the toothpick-inserted in the middle of cake comes out clean. It takes about 40 minutes. Let the cake cool in pan for 15 minutes before inverting onto wire rack to cool completely. Your bunt cake is ready to serve.