Orange Sheet Cake Recipes

Steps:

• Cake: Preheat oven to 350°F. Brush a 9-by-13-inch or 8-by-12-inch baking pan with butter. Line with parchment, leaving a 2-inch overhang on long sides. Butter parchment.
• Whisk together flour, baking powder, and salt. Combine eggs and sugar in the bowl of a mixer fitted with the whisk attachment. Beat on high speed until thick and pale, about 4 minutes. Add flour mixture; beat to combine. Add butter, zest, poppy seeds, and vanilla; beat to combine. Add sour cream; beat until smooth.
• Scrape batter into prepared pan, smoothing top with a spatula. Bake until top springs back when lightly touched and a tester inserted in center comes out clean, 30 to 35 minutes (for 9-by-13-inch) or about 40 minutes (for 8-by-12).
• Let cool in pan on a wire rack 10 minutes. Using parchment overhangs, lift cake out of pan and let cool completely on rack. (Cake can be made to this point and stored at room temperature, wrapped in plastic, up to 1 day.)
• Icing: Whisk together confectioners' sugar, butter, and orange juice until smooth. Spread over cake. Sprinkle with poppy seeds. Let set at least 20 minutes before serving. Iced cake can be stored in an airtight container at room temperature up to 3 days.

Steps:

• Sift flour, baking powder, and salt together.
• In a large bowl, cream butter until smooth. Gradually add sugar and beat until light and fluffy.
• Beat eggs; stir in marmalade, orange rind and mandarin segments, if you like.
• Beat in flour mixture alternately with orange juice, beating after each addition.
• Turn batter into a greased and floured 11x14x1-inch or cookie sheet and bake at 350° for 30 to 35 minutes.
• Cool in pan on rack for about 10 minutes and turn in a plate to coool completely and frost with.
• ORANGE GLAZE RECIPE that I posted here: Recipe 411994:.
• Combine sugar and cornstarch in saucepan. Add lemon and orange juices slowly and stir until smooth.
• Add remaining ingredients and cook, stirring frequently, over low heat until thick and glossy. Cool and spread on cake.
• Recipe can be doubled if you want.