Melomakarona (Greek Christmas Biscuits)

Name: Melomakarona (Greek Christmas Biscuits)
Prep time: 2 h
Cook time: 4 h
Total time: 6 h
Cuisine: Greek, Mediterranean, European
Ingredients: 2 ¾ cups olive oil; 2 cups vegetable oil shortening; 2 oranges juice and rind; 1/3 cup Cognac (Μεταξά 3); 1.25 kg Flour (no. 2 Soft for biscuits); 5 tsp baking powder; 1 ½ cup icing sugar; 3 cups sugar; 2 cups water; 2.5 cups honey; walnuts chopped; ground cinnamon