This document describes a berry smoothie recipe called "Berry Sour Surprise". It includes a survey that showed most people preferred a strawberry-based smoothie. As a result, strawberries make up 48% of the ingredients. Blueberries were added to make it more berry-flavored, comprising 42% of the ingredients. Lemon was included for sourness despite its higher calorie content, accounting for the remaining 10% of ingredients. Nutritional information is provided, showing the smoothie contains 106 calories per 100 grams.