Фруктовый пирог/Шикарное нежное тесто

FOR THE DOUGH 4 eggs 200 g sugar 220 g matsun (you can use kefir, but replace some with sour cream) 50-70 ml vegetable oil 100 g melted butter zest of 1 orange 2.5 cups flour (380-400 g) 250 ml cup volume (240 g) 1 teaspoon baking soda (9 g) FOR THE CURD MASS 200 g cottage cheese 3 tbsp sour cream 1.5 tbsp starch 1.5-2 tbsp sugar Soak with 50 ml orange juice (only when hot, immediately after baking) Mold size: 30x40 cm