Blackberry lemon crumb cake🍰🌷✨ Recipe: Ingredients Crumble -6 Tbsp unsalted butter, cold and diced (85g) -1 cup all-purpose flour (120g) -3/4 cup light brown sugar, packed (160g) -2 tsp cinnamon -Pinch of salt Blackberry jam -1 3/4 cups blackberries (210g) -1/3 cup granulated sugar (66g) -2 Tbsp water -1 tsp lemon juice -1/2 Tbsp cornstarch + 1 Tbsp water Blackberry lemon cake -2 cups all-purpose flour (240g) -2 tsp baking powder -1/2 tsp salt -3/4 cup granulated sugar (148g) -2 Tbsp lemon zest -10 Tbsp unsalted butter, softened (141g) -1/4 cup light brown sugar, packed (53g) -2 eggs, room temperature -1 1/2 tsp vanilla -1/2 cup sour cream, room temperature (114g) -1 Tbsp milk -3/4 cup blackberries, halved (about 105g) Lemon glaze -1 cup powdered sugar (114g) -1 1/2 to 2 Tbsp lemon juice -1/2 Tbsp milk Instructions For the ...