Apple Butter Crumb Cake Craving something warm, spiced, and delightfully crumbly? This Apple Butter Crumb Cake hits the spot!

3. Make the Crumb Topping. In a medium bowl, mix the flour, brown sugar, rolled oats, cinnamon, and melted butter until crumbly. Leave some clumps for texture.

In their version, Morgan subs in apple butter for the simple syrup. It’s a tiny change, but it makes a huge difference, imbuing the cocktail with a really pleasant, cinnamon-y complexity.