Lemon Zucchini Bars with Cream Cheese Frosting

Name: Lemon Zucchini Bars with Cream Cheese Frosting
Prep time: 20 min
Cook time: 25 min
Total time: 45 min
Cuisine: American
Ingredients: 2 cups all-purpose flour; 1 teaspoon baking powder; 1/2 teaspoon salt; 1 cup granulated sugar; Zest of 2 lemons; 3/4 cup oil ((grapeseed, canola, or vegetable)); 3 large eggs, (lightly beaten); 1 tablespoon lemon juice; 1 teaspoon vanilla extract; 2 cups grated zucchini; 8 ounce block cream cheese, (at room temperature); 1/2 cup unsalted butter, (at room temperature); 3 to 4 cups powdered sugar; 2 tablespoons lemon juice; 1 teaspoon lemon zest; Pinch of salt