Serves: 15 (makes 15 pieces)
Time to make: 30 mins
Total cost: $4.80 / $0.32 per serve
1 cup plain flour
1/2 cup self-raising flour
3/4 cup castor sugar
125g reduced-fat spread
1 egg, separated
3/4 cup light condensed milk
2 large lemons, finely grated zest and juice
2 tablespoons cornflour
Step 1 Preheat oven to 180°C. Line a 30cm x 20cm slice tin with baking paper. Combine flours and 1/2 cup sugar in a large bowl.
Step 2 Place spread in a small saucepan and place over a low heat for several minutes until melted. Set aside to cool. Add spread and egg white to flour mixture and stir until well combined. Press mixture evenly into base of prepared pan. Bake for 15 minutes or until golden.
Step 3 Meanwhile, in a saucepan combine egg yolk, condensed milk, lemon zest, lemon juice, cornflour and the remaining sugar. Place over a medium-high heat. Whisk until mixture comes to the boil and thickens. Pour mixture over hot slice base. Spread evenly and stand to cool. Once cool, cut in 15 squares.