01 -
Preheat oven to 175°C and line a muffin tin with paper liners.
02 -
In a large bowl, whisk together flour, baking powder, baking soda, cinnamon, nutmeg, salt, granulated sugar, and brown sugar until evenly combined.
03 -
In a separate bowl, blend eggs, pumpkin puree, and melted butter until smooth and uniform.
04 -
Fold wet ingredients into dry ingredients gently until just combined; avoid overmixing to maintain tenderness.
05 -
Combine brown sugar, rolled oats, flour, and melted butter in a small bowl and mix until crumbly.
06 -
Distribute batter evenly into muffin liners, topping each generously with streusel mixture.
07 -
Bake for 20 to 25 minutes or until muffins are golden brown and a toothpick inserted in the center comes out clean.