Chocolate Chunk Pecan Crunch Bundt Cake

Name: Chocolate Chunk Pecan Crunch Bundt Cake
Prep time: 25 min
Cook time: 1 h 15 min
Total time: 1 h 40 min
Cuisine: American
Ingredients: 2 tablespoons unsalted butter (softened); 1/2 cup firmly packed light brown sugar; 2 tablespoons all-purpose flour; 1 teaspoon ground cinnamon; 3/4 cup chopped pecans; 3 cups all-purpose flour; 2 teaspoons baking powder; 1/2 teaspoon baking soda; 1/4 teaspoon salt; 1 cup unsalted butter (softened); 1 1/2 cups granulated sugar; 3 large eggs; 2 teaspoons vanilla extract; zest of 1 medium orange; 1 1/2 cups sour cream; 2/3 cup chocolate chunks