Chocolate Streusel Pecan Muffins

For topping, combine flour, brown sugar, cinnamon and butter in small bowl with fork until mixture resembles coarse crumbs. Stir in pecans; set aside.

For muffins, in a medium microwave-safe bowl, microwave 1 cup morsels, milk and butter on medium-high for 1 minutes; stir. Microwave at additional 10 to 20 second intervals or until smooth when stirred. Combine flour, sugar, baking powder, cinnamon, pecans and remaining morsels in a large bowl. Combine egg, vanilla and melted morsel mixture in a small bowl; stir into flour mixture just until moistened.

Spoon into greased or paper lined muffin cups, filling 2/3 full. Sprinkle with topping. Bake at 375 degrees for 20-25 minutes or until a toothpick comes out clean. Cool in pan for 5 minutes; remove to wirer rack to cool completely.