– 3/4 cup (170g) unsalted butter – 2 ounces (56g) unsweetened chocolate, roughly chopped – 1/4 cup + 2 tablespoons (31g) unsweetened cocoa powder, sifted – 1 & 1/4 cups (250g) granulated sugar – 1/2 cup (100g) firmly packed brown sugar – 3 large egg – 1 teaspoon vanilla extract – 3/4 cup (90g) all-purpose flour – 1/4 cup (25g) pecan meal or ground pecan – 1/2 teaspoon salt – 1 & 1/2 cups (180g) chopped pecan – 3/4 cup (127g) dark chocolate chip – about 1/3 cup pecan halves and piece