Passover Chocolate Toffee Matzo

Name: Passover Chocolate-Toffee Matzo
Ingredients: 4 sheets matzo (kosher for Passover); 1½ cups (3 sticks) unsalted butter; ¾ cup sugar; ½ teaspoon Aleppo pepper, plus more (optional); 1 cup chopped semisweet chocolate or chocolate chips (about 6 ounces); ½ cup chopped shelled pistachios, toasted; ½ cup unsweetened coconut flakes, toasted; Flaky sea salt, such as Maldon (for serving); 2 tablespoons cocoa nibs (optional)