Preheat oven to 350 degrees. Spray 9x13 metal dish with veg oil. Line the bottom and sides of pan with parchment paper. Spray parchment paper with veg oil.
filling: Mix jam and apricots-set aside
In a large bowl, whisk together flour, sugar, cinnamon, salt and baking soda. Stir in the oats and grapenuts. Add the butter, egg and vanilla and stir together.
Using a fork lightly press half of the crust mixture onto the bottom of the prepared pan. Using a spatula, spread the filling over the crust leaving a 1/2 inch border around the edge of the pan. Cover the filling with the remaining crust mixture and gently press to flatten. Bake until light golden brown, about 30-35 minutes. Cool one hour.
Cut into bars. Store in airtight container.
optional: You can substitute apples for apricots and walnuts for grapenuts. (Walnuts for after braces :))