Pumpkin & Chocolate Layer Cake with Whipped Brown Sugar Frosting

INGREDIENTS

1 cup

sugar

1/2 cup

canola oil

large eggs

1 cup

all-purpose flour

1 tsp

baking soda

1 tsp

ground cinnamon

1 tsp

baking powder

1/4 tsp

salt

1 cup

pumpkin purée

6 tbsp

unsweetened cocoa powder, plus more for pans

• ¾ cup all-purpose flour

• ¾ cup sugar

• ¼ tsp + pinch baking soda

• ¼ tsp + pinch baking powder

• ¼ tsp + pinch salt

• 1 large eggs

• 6 Tbsp buttermilk

• 6 Tbsp water

• 2 Tbsp canola oil

• ½ tsp vanilla extract

• 7 Tbsp all-purpose flour

• 1 ¼ cup milk

• 1 ½ Tbsp pure vanilla extract

• 1 ½ cup salted butter, at room temperature

• 1 ½ cup brown sugar, packed

• Pinch of salt