Ingredients
- 2 tsp baking powder
- 1/2 tsp baking soda
- 1/2 tsp kosher salt
- 1 cup granulated sugar
- 1/3 cup light brown sugar
- 1/2 cup vegetable oil
- 2 large eggs
- 1 1/4 cup buttermilk
- 2 tsp vanilla extract
- 2/3 cup light brown sugar
- 2/3 cup semi-sweet chocolate chips
- 2/3 cup walnuts
- 2 tsp ground cinnamon
- 1 tbsp cocoa powder
- 1 cup powder sugar
- 2 1/2 tbsp buttermilk
- 1 tsp vanilla extract
Steps
- Heat the oven to 350 F and grease a 9-by-13-inch pan.
- Whisk the flour, cocoa powder, baking powder, baking soda, salt, granulated sugar, and one-third cup brown sugar in a large bowl.
- Whisk the oil, eggs, 1 1/4 cups buttermilk, and 2 teaspoons vanilla in another bowl, then stir them into the dry mixture.
- Spread the batter in the pan and sprinkle the chocolate chips over it.
- Mix the remaining brown sugar, chocolate chips, walnuts, cinnamon, and 1 tablespoon cocoa powder, then scatter the topping over the batter.
- Bake for 40 minutes, until the center is set and the eggs are fully cooked.
- Whisk the powdered sugar, remaining buttermilk, and remaining vanilla, then drizzle the glaze over the warm cake.
Main ingredient on sale this week? See what to make with eggs on sale.
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