Quick Easter cake with fruits & nuts filling

Ingredients

• 150 grams (5.3 ounces) wheat flour (with a protein content of 10g)
• 100 grams (3.5 ounces) wheat flour (with a protein content of at least 13g)
• 1 large egg
• 150 grams (5.3 ounces) sugar
• 100 grams (3.5 ounces) butter 82.5%
• 100 grams (3.5 ounces) candied fruits
• 150 milliliters (0.63 cups) milk
• 75 grams (2.65 ounces) sour cream 20%
• 18 grams (0.63 ounces) corn starch
• 4 grams (0.14 ounces) baking powder
• pinch salt
• pinch baking soda
• 1 tablespoon cognac or rum
• vanilla to taste
• 50 grams (1.76 ounces) mix of candied fruits and nuts
• 73 grams (2.57 ounces) cream cheese
• 73 grams (2.57 ounces) cream (33-35%)
• 20 grams (0.71 ounces) powdered sugar