For the chocolate part:
125 g + 1 tbsp flour (1 cup + 1 tbsp)
45 g unsweetened cocoa (1/2 cup minus 2 tsp)
1 tsp baking powder
1/2 tsp salt
1/2 tsp cinnamon or pumpkin pie spice
185g sugar (1 cup minus 1 tbsp)
1/2 tsp vanilla
70g pumpkin pureé (2.47oz)
1/2 cup sunflower seed oil (125ml)
1/2 cup non dairy milk (125ml)
For the main pumpkin part:
150 g pumpkin purée (5.3oz)
3 tbsp plain soy yogurt
3 tbsp melted vegan vegan butter
2 tbsp sugar
1/2 tsp cinnamon or pumpkin pie spice