Mix the flour, brown sugar, baking powder and cinnamon in a large bowl.
325 grams Self-raising flour, 180 grams Light brown sugar, 1 teaspoon Baking powder, 2 teaspoons Ground cinnamon
In a separate bowl or jug, whisk together the oil, eggs, spiced pumpkin chai milk (SET ASIDE TWO TEASPOONS FOR THE GLAZE), pumpkin purée and vanilla.
150 milliliters Vegetable oil, 2 Medium eggs, Spiced Pumpkin Chai Milk, 150 grams Pumpkin purée, 1 teaspoon Vanilla extract
Add the wet ingredients to the dry ingredients and gently whisk until just combined. Take care not to overmix. Cover the bowl with clingfilm and leave the mixture to rest at room temperature.
Meanwhile preheat the oven to 220°C fan and line every other hole of a muffin tin with large muffin cases.