Trisha Yearwood’s Pecan Muffins

1 cup pecans, chopped (you can buy our pieces and chopping is done for you) 1 cup brown sugar, firmly packed ½ cup all-purpose flour 2 large eggs 1 1/3 stick butter melted  Preheat the oven to 350°. Place paper liners in 9 muffin cups and spray with nonstick...