Instructions

  1. Set oven to 350 degrees F.
  2. Set oven to second-lowest rack.
  3. Grease an 8 x 8-inch square baking pan.
  4. In a bowl mix together the first 6 dry ingredients.
  5. In another bowl whisk the water or milk with oil, egg, vinegar and vanilla; add to the dry ingredients and mix until combined.
  6. Transfer/spread into prepared baking pan.
  7. Sprinkle chocolate chips and walnuts over batter, swirl with a knife to mix into batter.
  8. Bake 30-35 minutes or until cake tests done.