These Decadent Chocolate Raspberry Crumb Bars are a delightful treat that combines rich chocolate, tangy raspberry preserves, and a buttery, crumbly topping. This easy-to-make dessert is perfect for satisfying your sweet tooth or impressing guests at your next gathering.
16 tablespoons unsalted butter (2 sticks), softened
½ cup light brown sugar, packed
2 cups all-purpose flour
½ teaspoon salt
½ cup chopped pecans or walnuts (optional, and can be toasted)
14 ounces sweetened condensed milk (1 can)
1 cup bittersweet chocolate chips
½ to ⅔ cup raspberry preserves (seedless, optional)
1 cup semi-sweet chocolate chips