A variant of my family’s “Ritz Cracker Candy” given a delicious makeover for Passover with matzos, sweet heat, and desert fruits. For the bark: 4 to 6 sheets matzo (egg matzo adds a nice richness) 1 cup (2 sticks) unsalted butter 1 cup packed brown sugar A big pinch of sea salt 1/2 teaspoon pure vanilla extract 1 1/2 cups good quality semi- or bittersweet chocolate …