Name: Chocolate Sheet Cake with Chocolate-Caramel Frosting (Gluten-Free)
Prep time: 1 hr 20 min
Total time: 4 hr
Ingredients: Cake; 2 cups granulated sugar; 1-3/4 cups (210g) all-purpose flour or gluten-free flour blend; 3/4 cup cocoa powder; 2 tsp baking soda; 1 tsp baking powder; 1/2 tsp kosher or fine sea salt; 1 cup buttermilk; 1/2 cup vegetable oil; 2 large eggs; 2 tsp chocolate extract; 2 tsp pure vanilla extract or vanilla paste; 1 cup boiling water; Chocolate Caramel Frosting; 9 oz dark chocolate, chopped (66% to 70%); 1 cup granulated sugar; 3 tbsp water; 1-1/4 cups heavy cream; Pinch of fine sea salt; 1 tsp vanilla bean paste or pure extract