Make The Cake
Preheat The Oven to Gas 4, 180°C, Fan 160°C, and Line a 900g Loaf Tin with Nonstick Baking Paper. Whisk 200g Softened Unsalted Butter and 200g Golden Granulated Sugar Together Until Light and Fluffy. Beat in 3 Eggs, One at a Time, Until Combined. Fold in 100g Wholemeal Flour and 100g Plain Flour, 2 tsp Baking Powder and 100g of The Reserved Marmalade, Then 3 tbsp Fresh Orange Juice. Spoon Into The Tin, Then Bake for 50 mins, Covering with Foil for The Last 15 mins.