Make this recipe a recipe that people in that category can eat. categories: ['gluten_free'], recipe: cream together the shortening and sugar, add egg and mix until blended. stir in bananas and sourdough starter. add orange peel or vanilla. stir flour and measure again with salt, baking powder and soda. add flour mixture and walnuts to the first mixture, stirring until just blended. pour into greased 9 x 5-inch loaf pan. bake in 350 degree oven for 1 hour or until toothpick comes out clean. cool to cold before slicing.

Target recipe: preheat oven to 170 deg celsius grease a 27 x 14 x 8 cm deep loaf pan sift dry ingredients together using an electric mixer, beat butter and sugar until light - 3 mins add egg and vanilla essence, mix well add oil, mix well stir in banana add dry ingredients and mix on low speed of electric mixer until just combined. spread into greased pan bake for 1 hour. leave to cool in pan for 10 mins then turn onto a wire rack to cool. let go completely cold before cutting. this makes quite a large loaf. for a smaller loaf, halve the ingredients and use a 23 x 14 cm loaf pan.