Name: Chocolate Brownie Cake with Peanut Butter Frosting
Prep time: 45 min
Cook time: 25 min
Ingredients: 1 stick (113 grams) unsalted butter; 8 ounces (227 grams) semisweet baking chocolate, (chopped); 1 cup (200 grams) granulated sugar; 2/3 cup (133 grams) dark brown sugar; 3/4 cup (95 grams) all-purpose flour; 1 cup (85 grams) unsweetened natural cocoa powder; 3/4 teaspoon baking powder; 1/2 teaspoon salt; 5 large eggs, (at room temperature); 1/2 cup fresh vegetable oil; 1 teaspoon vanilla extract; 2 sticks (227 grams) unsalted butter, (at room temperature); 1 cup (270 grams) creamy conventional peanut butter; 1 teaspoon vanilla extract; 1/8 teaspoon fine salt; 2 1/2 cups (313 grams) powdered sugar, (sifted); 4 ounces (113 grams) semisweet or bittersweet chocolate, (finely chopped); 1/2 cup heavy cream; Chopped peanut butter cups, (optional)