Gooseberry Blueberry Streusel Squares
"Streusel" is a crumbly topping made from a mixture of butter, flour, golden sugar, and ground cinnamon. The word 'streusel' comes from the German word "streuen" which means 'to sprinkle' or 'to scatter'. "Streusel" was originally used as a topping for the "StreuselKuchen" but you can use "Streusel" for any coffee cakes, muffins, tarts, dimsum bread, etc. etc.