Apple Butter Streusel Muffins - Tastes of Lizzy T
Instructions. In a small bowl, combine the flour, sugar, baking powder, baking soda, cinnamon and salt. In another bowl, mix the egg, milk, and oil. Add the dry ingredients into the wet ingredients and mix just until combined. Do not overmix! For the streusel, combine the flour, cinnamon, sugar and walnuts together.