1. Line biscuit trays with Glad Bake. pre-heat oven to 160deg.C. 2. Sift flour and ginger together into a bowl and mix with the sugar, oats and macadamias. 3. Place butter and treacle in a microwave-proof jug and heat until butter has melted. Mix bi-carbonate of soda and water and add to dry ingredients with the butter. Stir to combine ingredients evenly. 4. Place spoonsful of mixture onto prepared trays, leaving room to spread and bake for about 15 minutes, until golden brown. Remove from oven and leave on trays for a few minutes before placing on wire racks to cool completely. Store in an airtight container. Per serving: 902 Calories (kcal); 101g Total Fat; (98% calories from fat); 1g Protein; 1g Carbohydrate; 274mg Cholesterol; 1034mg Sodium Food Exchanges: 0 Grain(Starch); 0 Lean Meat; 0 Vegetable; 0 Fruit; 20 1/2 Fat; 0 Other Carbohydrates Converted by MM_Buster v2.0n.