Blueberry Muffin Bread

Name: Blueberry Muffin Bread
Ingredients: 2 large eggs; 2/3 cup sour cream; Cooking spray; 1 3/4 cups plus 2 teaspoons all-purpose flour, divided; 1 3/4 teaspoons baking powder; 1/2 teaspoon kosher salt; 1/4 teaspoon baking soda; 3/4 cup granulated sugar; 1/2 medium lemon; 4 tablespoons unsalted butter; 1/4 cup neutral oil, such as canola or vegetable; 2 teaspoons vanilla extract; 1 1/3 cups fresh blueberries (about 7 1/2 ounces); Powdered sugar, for dusting (optional); 1/2 cup all-purpose flour; 1/3 cup packed light brown sugar; 1/4 cup rolled oats; 1/4 teaspoon kosher salt; 3 tablespoons unsalted butter; 3/4 teaspoon vanilla extract