Milkshake - Single Flavour $6.90 Chocolate, Strawberry, Caramel, Vanilla, Banana, Lime, Spearmint and Malt. Milkshake - Double Flavour $7.90 Chocolate, Strawberry, Caramel, Vanilla, Banana, Lime, Spearmint and Malt. Thickshake – Single Flavour $8.90 Chocolate, Strawberry, Caramel, Vanilla, Banana, Lime, Spearmint and Malt.