Then comes the pièce de résistance: a generous layer of buttery, cinnamon-sugar crumbs that offers a satisfying crunch and takes this cake to the next level. Perfect for a leisurely brunch, afternoon ...

For the muffins themselves, you'll need flour, vanilla extract, sour cream, baking powder, baking soda, milk, eggs, cinnamon, salt, sugar, unsalted butter, and maple syrup. The sweet, fragrant crumble ...

To make the topping, place the flour, cinnamon, butter and sugar in a large bowl. Rub together with your fingertips until it has a rough, crumbly mixture. Scatter the crumble over the top of the ...