/ 280g All purpose flour plus extra for dusting • butter milk, room temperature • cup/343grm granulated sugar(divided) • tbsp/140grms unsalted butter, melted and slightly cooled • vegetable oil • tspn vanilla extract • lemon zest • tsp/5grms baking soda • tsp/grms baking soda • tsp/3.6grm salt • fresh rosemary(minced) • large egg yolks •