In a bowl beat well olive oil, cognac, orange juice, cinnamon/clove spices and sugar.
Add 2 cups of sifted flour and baking powder and mix.
Add the rest of the flour until you have a smooth dough.
Form the biscuits in walnut sized shape and press them down with a fork in one direction creating a line pattern.
Bake in the oven at 150oC for 30 minutes.
As you boil the syrup, remove any foam that might appear.
Add your biscuits to simmering syrup, let them in for 3 to 4 minutes, and then remove with a slotted spoon and place on a plate. Sprinkle your melomakarona with crushed walnuts and cinnamon.