01 -
Start by preheating your oven to 375°F. Don’t forget to line a muffin tin with paper liners.
02 -
In a big bowl, combine the all-purpose flour, brown sugar, cocoa powder, baking powder, baking soda, coffee powder, and sea salt until everything's mixed.
03 -
In another bowl, whisk together the melted butter, buttermilk, eggs, and vanilla until it’s combined nicely.
04 -
Add the wet mix to the dry ingredients. Stir gently until combined, then fold in the chocolate chips, being careful not to mix too much.
05 -
Spoon the batter evenly into the lined muffin cups.
06 -
In a tiny bowl, mix the flour, brown sugar, and toffee bits. Cut in the butter with a fork until it’s crumbly and coarse.
07 -
Sprinkle about a tablespoon of your toffee mix over each muffin before baking.
08 -
Bake for about 20 minutes, or until a cake tester comes out clean when poked in the center.
09 -
Move the muffin tin to a wire rack and cool for 5 minutes. Then take the muffins out of the pan and let them cool completely on the rack before digging in.