Write the next sentence in the following story.

How to make a malt
Whisk the ingredients together.
Place the malt powder and instant dry milk in a small bowl. Whisk the two ingredients together until the mixture appears evenly blended.

Available options:
a). If you want to make a chocolate malted milkshake, you can use either plain malt powder or chocolate malt powder. To make chocolate malt powder, add the unsweetened cocoa powder to the dry milk and malt powder and whisk together.;
b). Set aside the chilled milk and the 1 cup softened butter to cool down. Prepare the mixture by shaking it lightly.;
c). You can use an electric mixer, or a stand mixer. Mix the dry ingredients and the milk.;
d). It should be a bit sticky on the bottom. The heat will help to completely settle the mix, so stop in halfway through this step.;. The answer should be
a).