Preheat oven to 325 degrees.
Spray 9 inch loaf pan with baking spray. Set aside.
In a large bowl, whisk together flour, brown sugar, baking powder, cinnamon, and salt. Set aside.
In a medium bowl, combine eggs, vegetable oil, apple cider, boiled apple cider, and vanilla. Whisk until combined.
Pour wet ingredients over dry ingredients and stir until combined. Do NOT over mix.
Fold in apples and walnuts.
Pour into prepared pan.
Top with streusel.
Bake for 45 minutes. Cover with aluminum foil.
Bake an additional 30 minutes, or until bread tests done.