For the Shake:

• 1 cup vanilla ice cream
• 1/2 cup blueberry or mixed berry ice cream
• 1/2 cup milk (adjust for thickness)
• 1/4 cup frozen blueberries
• 1 tablespoon berry syrup or blueberry jam

For the Layered Base:

• 1/4 cup crushed graham crackers or granola
• A few whole blueberries and blackberries

For the Whipped Topping:

• 1/2 cup heavy whipping cream
• 1 tablespoon powdered sugar
• 1/2 teaspoon vanilla extract

For Garnish:

• Drizzle of caramel sauce
• Drizzle of berry or raspberry syrup
• Crushed granola or cookie crumbles
• Mixed berries (raspberry, blackberry, blueberry)
• Mint leaves
• Optional: a piece of waffle or dried banana slice