Blackberry Lemon Bread

Name: Blackberry Lemon Bread
Prep time: 35 min
Cook time: 1 h 30 min
Total time: 2 h 5 min
Cuisine: American
Ingredients: 1 ½ cups flour ((plus 1 Tbsp flour to toss the blackberries in)); ⅛ tsp baking powder; pinch salt; 1 ¼ cups sugar; 1 Tbsp lemon zest ((from one lemon)); ½ cup unsalted butter, at room temperature; 3 eggs, at room temperature; 1 tsp lemon extract paste ((see note)); ½ cup buttermilk, at room temperature ((see note)); 1 cup fresh blackberries ((about 4 ounces)); 6 oz blackberries; 2 tsp lemon juice; 2 Tablespoons water; 2 Tablespoons sugar; 1 ½ cups powdered sugar, sifted; 1-2 Tablespoons heavy (whipping) cream; fresh blackberries