Cinnamon Spice Cake Squares

For the topping:

Combine butter, sugar, cinnamon in a small bowl. Stir with a spoon until combined and set aside.

For the muffins:

Preheat oven to 350 degrees F. Grease or line 12 muffins tins or mini square tins and set aside.

In a medium bowl, combine the flour, baking powder, salt, cinnamon and nutmeg. Set aside.

In a small bowl, whisk the vanilla and the vinegar into the milk

In the bowl of your electric mixer, mix the butter and sugar until light, about 2-3 minutes. Add the eggs one at a time and mixing well.

Sift in half of the flour and stir to combine. Stir in the milk and then the rest of the flour. Spoon about 1/2 of the batter amongst all the muffin or cake tins. Spoon a teaspoon of the filling over the batter and then spoon over remaining batter. Top with chopped walnuts.

Bake for 15-18 minutes. A toothpick inserted in the centre will come out clean. Leave to cool on a wire rack.

For the glaze:

Combine icing sugar and milk and whisk until smooth. Drizzle over cooled cake squares. Ready to serve