Raspberry Chocolate Cake

Name: Raspberry Chocolate Cake
Prep time: 20 min
Cook time: 35 min
Total time: 55 min
Cuisine: American
Ingredients: 2 1/2 cups all-purpose flour (sifted); 1/2 cup cocoa powder; 1 teaspoon instant coffee powder; 2 cups granulated sugar; 2 teaspoons baking soda; 1 teaspoon baking powder; 1/2 teaspoons salt; 1 cup hot water; 2 large eggs (room temperature); 1 teaspoon pure vanilla extract; 1 cup vegetable oil; 1 cup buttermilk; 2 cups unsalted butter (room temperature); 1 1/2 cups raspberry jam (strained and seeds discarded); 3 cups confectioners' sugar; 4 oz. bittersweet chocolate (finely chopped); ½ cup heavy whipping cream; ¼ cup light corn syrup; 1 tablespoon vanilla extract; Fresh raspberries for garnish