INGREDIENTS
100 g
unsalted butter, softened
180 g
castor sugar
50 g
sour cream (or replaced with same amount of low fat yogurt)
3
large eggs, lightly beaten, room temperature
1 tsp
vanilla extract
1 tsp
lemon or orange zest
210 g
all purpose flour / plain flour
1 tsp
baking powder
500 g
fruits (tossed with 2 tbsp sugar, optional)