Lemon Crumble Slice

Adapted from:
http://thermobliss.com/lemon-crumble-slice/

INGREDIENTS

• 1¼ cups (155g) plain flour
• 1¼ cups (110g) rolled oats
• ½ tsp salt
• ½ tsp bi-carb soda
• ½ cup (100g) raw sugar
• ½ cup (80g) packed brown sugar
• ¾ cup (170g) unsalted butter, melted
• 1 tsp vanilla extract
• 1 X 395g can sweetened condensed milk
• 1 tbsp finely grated lemon zest (approximately 1 lemon)
• ⅓ cup fresh lemon juice
• 2 large egg yolks
• ½ tsp lemon extract

INSTRUCTIONS

1. Thermomix Instructions:
2. Preheat oven to 170 degrees celsius (160 degrees if fan forced)
3. Grease and line a 17X28cm slice tray with baking paper, allowing the edges to overhang.
4. Melt the butter and vanilla in the TM bowl for 40 seconds, Speed 2, 50 degrees.
5. Scrape down the sides of the bowl.
6. Melt for a further 1 minute, Speed 2, 50 degrees.
7. Add the plain flour, rolled oats, salt, bi-carb soda, brown sugar and raw sugar.
8. Mix for 20 seconds on Reverse, Speed 2.
9. Scrape down the sides.
10. Mix for a further 20 seconds on Reverse, Speed 2.
11. Spread half of the crumb mixture into the bottom of the prepared tray and press firmly into an even layer.
12. Bake in preheated oven for 15 minutes or until lightly golden.
13. Remove from oven and put aside (leave the oven turned on).
14. Place the zest of 1 lemon into the TM bowl.
15. Grate for 20 seconds on Speed 6.
16. Scrape the sides of the bowl.
17. Repeat steps 13-14 until you have a very finely grated zest.
18. Add the condensed milk, lemon juice, egg yolks and lemon extract and mix for 30 seconds, Speed 4.
19. Scrape the sides of the bowl and mix for a further 30 seconds, Speed 4.
20. Pour mixture over crumb crust in baking dish and spread into an even layer.
21. Sprinkle the remaining crumble mixture over the top of the lemon layer.
22. Bake in oven for 23 – 26 minutes or until lightly golden.
23. Remove from oven and allow to cool.
24. Cover and refrigerate for at least 2 hours (preferably overnight) then take it out and cut into squares.
25. Store in airtight container in refrigerator.