Using an electric mixer, cream together sugar and butter until light and fluffy, about 5 minutes. Add sour cream, eggs, vanilla and mix until thoroughly combined. Mix in baking powder, baking soda, ...

It’s famous for the sour cream coffee cake sold at the pastry counter; this is a muffin version. Slideshow: More Breakfast Muffin Recipes Preheat the oven to 400° and line 18 muffin cups ...

Cut in the butter until the mixture forms a coarse crumble. Mix The Streusel Topping In a large bowl, mix flour, sugar, baking powder, baking soda, cardamom, cinnamon, and salt. Cut in the cold butter ...