Ingredients:
- 2 1/2 cups all purpose flour
- 1 teaspoon baking soda
- 1/4 teaspoon fine sea salt
- 1 cup (2 sticks) unsalted butter, room temperature
- 1 cup (packed) golden brown sugar
- 1/2 cup sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1 cup walnuts, broken into 1/2-inch pieces
- 1/2 recipe (1/2 sheet) chilled old-fashioned brownies, cut into 1/2-inch cubes (generous 4 cups)
- Nonstick vegetable oil spray