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Export 10 ingredients for grocery delivery
Step 1
Preheat oven to 350°F. Line a 13x9-inch baking pan with parchment paper, and spray pan with cooking spray.
Step 2
In the top of a double boiler, place 70% chocolate and butter. Cook over simmering water, stirring occasionally, until mixture is smooth. Remove from heat. Stir in orange marmalade and half-and-half.
Step 3
In a large bowl, whisk together sugar, flour, cocoa, and baking powder. Stir in melted chocolate mixture, eggs, and vanilla until moistened. Stir in 60% chocolate. Spread batter into prepared pan.
Step 4
Bake until brownies are beginning to loosen around the edges, about 30 minutes. Let cool completely in pan. Sift cocoa powder over cooled brownies before serving.