Flourless Chocolate Almond Cake with Chocolate Ganache

Name: Flourless Chocolate Almond Cake with Chocolate Ganache
Total time: 180 min
Yield: Makes one {9-inch|23-cm} cake, serving 10-12
Ingredients: For the Cake:; 1½ cups slivered almonds; Handful fine dry breadcrumbs, matzo meal or gluten-free substitute (for dusting the pan); 6 ounces semisweet chocolate, finely chopped (best quality, such as Ghirardelli); ¾ cup sugar, divided; 1½ sticks (6 ounces) unsalted butter, at room temperature, plus more for greasing the pan; 6 large eggs; ⅛ teaspoon salt; 1 teaspoon fresh lemon juice; For the Ganache Frosting:; ½ cup heavy cream; 2 teaspoons instant coffee or espresso powder; 8 ounces semisweet chocolate, finely chopped (best quality, such as Ghirardelli)