Name: Deep Chocolate Cake with Peanut Butter Frosting (Gluten Free)
Ingredients: Cake; 1-1/4 cups (150g) gluten-free flour blend or all-purpose flour; 2/3 cup (55g) unsweetened cocoa powder; 3/4 tsp baking powder; 3/4 tsp baking soda; 1/4 tsp salt; 1/2 cup (113g) sour cream; 1/4 cup lukewarm water; 1 cup (2 sticks; 226g) unsalted butter, softened; 1-1/4 cups (250g) granulated sugar; 2 large eggs; 2 tsp vanilla extract; Peanut Butter Frosting; 1 cup (250g) peanut butter; 1 tsp vanilla extract; 2/3 cup (151g) confectioners' sugar; 6 tbsp butter (85g), softened