Blueberry Streusel Coffee Cake ~ 蓝莓细末蛋糕

The sweet aroma of this cake filled the air in my kitchen as it was baking in the oven.  The crunchy top is delicious which gives a perfect finishing touch to a moist and delicious cake.  This cake will double up as a luscious and fragrant breakfast treat as well!

Blueberry Streusel Coffee Cake  ~  蓝莓细末蛋糕 (adapted from 'here'  with slight adjustment)

Ingredients

• 250 gm plain flour
• 100 gm caster sugar
• 2 tsp  baking powder
• 1/4 tsp salt
• 1 large egg
• 1/2 cup milk
• 113 gm butter
• 125 gm frozen blueberries (unthawed)
• 100 gm lightly toasted walnuts, chopped
• 1 tsp vanilla

Streusel Topping

• 50 gm caster sugar   
• 50 gm cold butter, cut into cubes 
• 80 gm plain flour     
• 1 tsp cinnamon

Method 

1. To prepare the streusel : combine the sugar, flour and cinnamon, rub in with the cold butter till it resembles breadcrumbs, set aside.
2. Sift or whisk the flour, baking powder and salt.  Whisk in the sugar, mix well.
3. Beat the egg, milk and butter till creamy.  Stir this into the dry ingredients.
4. Mix in the frozen blueberries and walnuts.
5. Spread the batter into a 7 inch sq. pan, lined with parchment paper and greased at the sides.
6. Level the surface and sprinkle the streusel on top.
7. Bake in a preheated oven @ 180 deg.C for 35 to 40 mins., test with a skewer till it comes out clean.
8. Let cool in pan before cutting up to serve.