You can't go wrong with milkshakes!
Ingredients
1 cup raspberries
1/4 cup sugar
1 tablespoon lemon juice
2 cups good-quality strawberry ice cream
1/4 cup buttermilk
whipped cream (optional, for garnish)
Directions
Bring raspberries, sugar, and lemon juice to a boil in a saucepan over medium, stirring constantly.
Reduce heat to medium-low, and simmer, stirring occasionally, until slightly thickened, about 1 minutes.
Remove from heat, and let cool.
Process 2 cups strawberry ice cream, 1/4 cup buttermilk, and 3 tablespoons cooled raspberry sauce in a blender until smooth.
Stir in 1/3 cup chopped blackberries.
Divide between 2 glasses; top with whipped cream and raspberry sauce.