Rhubarb Crumble



2 sheetsfrozen sweet short crust pastry, thawed
1 whole egg and 2 tbsp milkegg wash (whisked together)
75gunsalted butter, softened
100g caster sugar
1 large (70g)egg
1 largeegg yolk (70g egg)
75gground almonds
25g plain flour
3 stalks trimmed rhubarb, cut into 3cm pieces
pure icing sugar, for dusting (optional)
70gcrustless wholemeal bread, blended into medium crumbs
40g rolled oats
30g demerara sugar
generous pinch ground cinnamon
80g unsalted butter, melted and cooled


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