01 -
Preheat the oven to 175°C. Grease and lightly flour a 23x13 cm loaf pan.
02 -
In a medium bowl, whisk together the all-purpose flour, baking soda, baking powder, salt, and ground spices until evenly mixed.
03 -
In a large bowl, blend the pumpkin puree, vegetable oil, brown sugar, eggs, and vanilla extract until smooth and uniform.
04 -
Gradually fold the dry ingredient mixture into the wet ingredients, mixing just until combined to maintain a tender texture.
05 -
Transfer the batter into the prepared loaf pan, smoothing the surface evenly. Bake for 55 to 65 minutes until a toothpick inserted into the center comes out clean.
06 -
Allow the loaf to cool in the pan for 10 minutes before removing to a wire rack to cool completely.
07 -
Melt butterscotch chips with heavy cream over a double boiler until smooth. Remove from heat and stir in vanilla extract.
08 -
Drizzle the warm butterscotch glaze evenly over the cooled loaf before slicing.