Lemon Blueberry Bread

Name: Lemon Blueberry Bread
Ingredients: 1/2 c. vegetable oil, plus more for the pan; 1 c. granulated sugar; Zest of 3 lemons, plus 5 tablespoons lemon juice; 1/2 c. sour cream, at room temperature; 3 large eggs, at room temperature; 1/8 tsp. yellow liquid food coloring (about 4 drops; optional); 1 1/2 tsp. baking powder; 1/2 tsp. baking soda; 1/2 tsp. kosher salt; 2 c. plus 1 tablespoon all-purpose flour; 1 1/2 c. fresh blueberries (about 8 ounces); 2 c. powdered sugar; 2 tbsp. salted butter, melted