Name: Berry Jam Filled Buns
Prep time: 120 min
Cook time: 30 min
Total time: 150 min
Ingredients: 4 1/2 cups 650 g all-purpose flour, sifted; 3/4 cup 100 g cake flour, sifted; 2 1/4 tsp 1 envelope, or 8 g instant dry yeast; 1/2 tsp salt; 4 tbsp 50 g white sugar; 2 cups 480 ml milk, lukewarm; 3 eggs; 1 tsp vanilla extract; 1/2 cup 100 ml vegetable oil; orange zest from one orange; 1 cup mixed berry jam; 1/4 cup 50 g butter (for brushing between buns and baking pan); 1 egg for egg wash; powdered sugar (optional)