Texas Sheet Cake With Fudge Icing

Name: Texas Sheet Cake With Fudge Icing
Cook time: 1 h 50 min
Total time: 1 h 50 min
Cuisine: American, Southern
Ingredients: 1 1/2 cups spicy, fruity cola soft drink (such as Dr Pepper); 1 cup vegetable or canola oil; 1/2 cup unsweetened cocoa; 2 cups all-purpose flour; 1 cup granulated sugar; 1 cup firmly packed light brown sugar; 1 1/2 teaspoons baking soda; 1/2 teaspoon table salt; 1/2 cup buttermilk; 2 large eggs, lightly beaten; 2 teaspoons vanilla extract; 1 1/4 Vegetable cooking spray; Fudge Icing; cups chopped toasted pecans