Preheat oven to 350F.
In a deep bowl, mix first 6 ingredients well.
In a separate bowl, mix together flour and baking powder.
Add flour mixture to the egg mixture then add the semolina mixing everything well together.
Butter a 13x9 baking dish and pour the mixture in, then level.
Scoop as much as you like from the table cream in a sandwich bag, cut off the tip to form a piping bag.
Carefully make horizontal and vertical lines along the pan.
Bake for 25-35 minutes until golden brown.
Pour the hot simple syrup over the cake and cover with foil.
Let it set for a while to soak the syrup and cool down.
Cut along the cream lines you’ve drawn on your cake.
Garnish with chopped pistachios and serve.