Sheet Pan Chocolate Cake • Kroll's Korner

Ingredients

• 3 1/4 cups all-purpose flour (spooned and leveled)
• 2 cups granulated sugar
• 1 cup dark brown sugar (packed)
• 1 ¼ cup Dutch process cocoa powder (sifted if needed)
• 2 ½ tsp baking powder
• 2 tsp baking soda
• 2 tsp espresso powder (I use the one from King Arthur)
• 1 ½ tsp kosher salt
• 1 ½ cups full-fat sour cream (room temperature)
• ¾ cup vegetable oil
• 4 large eggs (room temperature)
• ½ cup buttermilk (room temperature)
• 1 ½ tbsp. apple cider vinegar
• 1 tsp vanilla
• 1 ½ cups strong hot coffee or boiling water
• 2 tbsp. softened butter (for the sheet pan)
• ⅓ cup unsalted butter
• ⅓ cup sour cream
• 1 ¼ cups granulated sugar
• 1 Tbsp. Dutch process cocoa powder
• 1 tsp. vanilla extract
• 1 cup dark chocolate chips
• pinch of salt