Oat & chocolate fudge bars

Method

1. 1
   Preheat oven to 350°F/230°C and grease a 9x13-inch baking dish.
2. 2
   Mix together the oats, sifted flour, baking soda, and salt.
3. 3
   Beat butter and brown sugar until light and airy, mix in eggs and vanilla, then stir in the dry ingredients until just combined.
4. 4
   For the fudge, cook condensed milk, chocolate chips, butter, and salt over low heat, stirring often, 5-7 minutes until smooth. Remove from heat and stir in walnuts and vanilla.
5. 5
   Press about 2/3 of the oat mixture into the prepared pan as a crust. Spread the fudge mixture over the top, then scatter the remaining oat mixture in clumps over the fudge.
6. 6
   Bake 35-40 minutes, until golden. Cool completely before slicing.