Blueberry filling: 350 g blueberries 0.25 cup sugar 1 Tablespoons lemon juice 0.5 Tablespoons cornstarch
Streusel topping: 75 g sugar 1 piece lemon zest 70 g Afia Butter (softened) 155 g flour 0.25 Teaspoons Afia Natural Sea Salt 0.5 Teaspoons Afia Cinnamon Powder
For the cake: 1 pack lemon sponge cake 3 pieces egg 100 ml Afia Sunflower Oil 220 ml water
How to prepare
for blueberry sauce In a saucepan, cook blueberries, sugar, and lemon juice over medium-low heat until softened and juicy.
Once warm, stir in cornstarch mixed with a little water. Cook on medium-high for 3–4 minutes until thickened. Let cool.
for topping, in a bowl Rub sugar and lemon zest together. Add softened butter and vanilla and mix. Add in flour and salt, then rub the mixture, keep rubbing until you get a sandy like dough. and set aside.
Prepare cake batter as per package instructions. Spread into a lined baking pan filling less than half of the pan. Top with cooled blueberry filling, then crumble streusel on top.
Bake at 180°C for about 40 minutes, or until golden and a toothpick comes out clean (blueberry juice is fine). Cool slightly before removing then serve.