Place the pint of frozen raspberries in a bowl.
Mix with 3 tablespoons of sugar and 1/2 tablespoon of cornstarch.
Place in the fridge for two hours.
Place the Walkers Shortbread Mini Fingers into a Ziploc bag.
With the aid of a rolling pin, roll over the cookies until they are crushed into cookie bits.
Set aside.
In a small mixing bowl add 3/4 cup sugar with the milk, malted milk powder, and vanilla.
With a whisk beat together until the sugar and malted milk powder, until combined.
Add the heavy whipping cream to the mixture and blend with a whisk until mixed together.
Pour the ingredients from the small mixing bowl into the freezer bowl of your ice cream machine. Turn on and churn for approximately 15 minutes.
Take out the raspberry sauce from the fridge.
Turn the Ice Cream Machine off.
Pour in the raspberry sauce into the ice cream mixture.
Turn the Ice Cream Machine back on and churn for an additional 5-10 minutes.
Turn the Ice Cream Machine off and take off the freezer bowl from the machine.
With a spatula, spoon in the marshmallow cream and mix into the ice cream.
Next pour in the crushed cookies and mix into the ice cream.
Spoon in the finished ice cream into a freezer safe container and chill for 2 hours.