Step 1

Preheat oven to 350 degrees F and line and grease a loaf tin. Set aside.

Step 2

Sift together the flour, baking powder and salt.

Step 3

Gently toss the frozen berries in the remaining two tablespoons of flour. Set aside

Step 4

In the bowl of your electric mixer, beat the butter on high speed for about 30 seconds. Add the sugar and continue to beat for about 2-3 minutes. Add the eggs, one at a time, mixing well after each addition. Beat in the vanilla extract.

Step 5

In three additions add the flour and yogurt, starting with the flour mixture. Gently stir until just combined.

Step 6

Fold in the berries.

Step 7

Pour into prepared pan and bake for about 50 minutes or until a toothpick inserted into the center comes out clean. Leave to cool about 5 minutes on a wire rack. Remove cake from pan and peel off parchment paper. Leave to cool completely on wire rack.