Red Currant Lemon Crumble Bars

Ingredients

• 4 egg yolks
• 3/4 cup granulated sugar
• 2 1/4 cups all purpose flour
• 1/4 cup unsalted butter
• 3/4 cup unsalted butter at room temperature
• 3/4 teas salt
• 1 teas pure vanilla extract or vanilla bean paste
• 3/4 cup Bob's Red Mill extra thick rolled oats
• 3-4 tbsp confectioners' sugar
• 3 tbsp lemon zest (- finely chopped)
• 6 tbsp lemon juice (- freshly squeezed)
• 2 cups red currants (- fresh or frozen)