Step 1/4
Preheat oven to 180°C/350°F. Peel bananas and mash them with a fork. Chop walnuts.
Step 2/4
- 120 g unsalted butter (soft)
- 100 g sugar
- 1 egg
- 1 tsp vanilla extract
- 200 g flour
- 1 tsp baking powder
- 1 tsp baking soda
- salt
- hand mixer with beaters
- bowl (large)
- bowl (small)
- rubber spatula
Beat softened butter and sugar in a bowl for approx. 3 min. or until very light and creamy. Add the egg and vanilla extract and beat to combine. Mix most of the flour with the baking powder, baking soda, and a pinch of salt in a small bowl. While mixing on low speed, slowly add dry ingredients to wet ingredients and mix until a smooth batter forms. Fold in mashed bananas.
Step 3/4
- 50 g flour
- 35 g rolled oats
- 50 g unsalted butter (cold)
- salt
For the crumb, add remaining flour, chopped walnuts, oats, brown sugar, cold butter, and a pinch of salt to a bowl and mix with your fingers until just combined.
Step 4/4
- unsalted butter (for greasing)
- muffin tin
- muffin liner
- ice cream scoop
Grease a muffin tin and use an ice cream scoop to add an equal amount of batter into each cup. Sprinkle evenly with crumble topping. Transfer to oven and bake at 180°C/350°F for approx. 20 min., or until golden brown. Enjoy!