Redcurrant & Elderberry Muffins with Streusel Topping Good thing to keep some frozen Elderberries and red currants in the freezer, for times like these! Easy peasy and done in under 30 minutes. This recipe will also make 12 muffins….. What You Will Need: Streusel Topping: Butter, Flour and Brown Sugar. Muffins: Milk, Sunflower oil, Vanilla, Egg, Self-Raising Flour, White Sugar, Baking Powder, Salt, Frozen Berries – …