BUTTERMILK & WHOLEWHEAT RUSKS/ BREAKFAST HEALTH BARS Makes about 70 to 80 rusks. Mix together: 500g      melted margarine ¼ cup    milk 500 ml  buttermilk 3 large  eggs 2 cups   brown sugar  – I find mixing the soft brown sugar into the liquids works better than adding it to the dry ingredients. In a separate bowl, ...