01 - Preheat oven to 350°F. Grease and line a 9x5-inch loaf pan with parchment paper.
02 - In a large bowl, whisk together whole wheat flour, rolled oats, cinnamon, nutmeg, ginger, baking soda, baking powder, and salt.
03 - In a separate bowl, whisk pumpkin puree, eggs, maple syrup, olive oil, milk, and vanilla extract until smooth.
04 - Pour wet ingredients into dry ingredients and stir gently until just combined without overmixing.
05 - Fold in chopped nuts and optional chocolate chips evenly into the batter.
06 - Pour batter into prepared pan, smooth the surface, and sprinkle with pumpkin seeds.
07 - Bake for 45 to 55 minutes until a toothpick inserted in the center comes out clean.
08 - Allow loaf to cool in the pan for 10 minutes before transferring to a wire rack to cool completely prior to slicing.