Deliciously moist and fluffy cinnamon-spiced muffins that are loaded with banana flavour, and topped with a buttery crumb. Perfect for an indulgent breakfast or snack!
Preheat the oven to 200C/400F/Gas 6. Grease a 12-hole muffin pan well, then set aside.
Whisk together the flour, sugar, baking powder, baking soda, salt, and spices. Set aside.
Whisk together the egg, banana, vanilla, vegetable oil, and yogurt. Add the dry ingredients, and mix until just combined. Do not over-mix.
For the Crumb Topping
In a small bowl, whisk together the flour, sugar, and cinnamon. Work in the butter using a pastry cutter, fork, or fingers until the mixture resembles coarse crumbs.
Spoon the batter into the prepared pan, top with the crumb mixture, and bake for 15 - 20 minutes, or until a toothpick inserted into the centre comes out clean. Allow to cool for 5 - 10 minutes in the pan, then transfer them to a wire rack to cool completely.
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Notes
Muffins stay fresh in an air-tight container at room temperature for up to 5 days. They also freeze well for up to 2 months. Thaw overnight in the fridge.