Both of my Grandmothers (and Great Grandmother) are/were amazing bakers. I have favourite recipes that each one used to make, with these Bar Biscuits being one type of biscuit that my Bernie Nan would often have waiting in her biscuit tin for when we used to visit (along with Louise Slice).
These biscuits are so versatile - you can add any extra ingredients (just like the Biscotti recipe) and if you are extra clever, you can have pre-made bars of these biscuits stored in the refrigerator or freezer, for slicing and baking when needed. I think that's what my Nana used to do - quickly slice a few biscuits off and bake right before we (the hungry hoards) arrived!
3 cups flour
1 cup brown sugar
6 oz butter
1 tsp baking powder
½ tsp salt
Melt the butter, then add the brown sugar, egg, then dry ingredients (you can add any extra ingredients here, like chopped walnuts, almond essence, cocoa, coconut or orange juice and grated rind).
Mix and shape into bars. Leave in the fridge for a few hours (I usually just bake them straight away) then slice and bake at 160
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