Preheat oven to 350°F(180C).
Grease a 9x13 inches (33x23 cm) rectangular baking pan with non-stick baking spray.
In a food processor pulse together walnuts, ground cinnamon and ground cloves. Set aside.
2 cups Walnuts, 1/2 tsp Ground Cloves, 1 tbsp Ground Cinnamon
In a large bowl sift the all-purpose flour. Add the coarse semolina, baking powder and salt. Stir all together with a spoon and set aside.
1 ½ cups All Purpose Flour, 1 cup Coarse Semolina, 1 tbsp Baking Powder, 1/4 tsp Kosher Salt
Using a hand/stand mixer fitted with the paddle attachment ,beat butter and sugar on medium speed until creamy for about 2 minutes. Stop and scrape the bowl when necessary.
1 cup Unsalted Butter, 1 cup Granulated Sugar
While beating, add one egg at a time making sure it is fully incorporated before adding another.
4 Eggs
Pour the pure vanilla extract and cognac to the mixture and mix for a few more seconds.
1 tsp Pure Vanilla Extract, 1 tbsp Cognac
With the mixer on low speed, incorporate the dry ingredients into the batter using a spoon. Do not overmix the batter. The cake batter should be thick.
1 ½ cups All Purpose Flour, 1 cup Coarse Semolina, 1 tbsp Baking Powder, 1/4 tsp Kosher Salt
Using a spatula, gently fold in the chopped walnuts and spices.
2 cups Walnuts, 1/2 tsp Ground Cloves, 1 tbsp Ground Cinnamon
Spread the batter evenly into the baking pan using a spatula.
Bake for 30 to 35 minutes. When ready, the cake pulls from the edges of the pan.
Remove from oven and immediately pour the cold syrup on top of the cake using a wooden spoon.
Place on a cooling rack and let it cool and soak the syrup for around 1 hour and 30 minutes.