Step #2 COMBINE flour, brown sugar, cinnamon & 2 tbsps melted butter butter in small bowl with fork until mixture resembles coarse crumbs; stir in the pecans.
Step #3 FOR MUFFINS:.
Step #4 PREHEAT oven to 375° F; grease or paper-line 12 muffin c.
Step #5 COMBINE 1 c morsels, milk & 3 tbsps butter in a microwave safe bowl; microwave on full power for about 60 seconds & then stir until morsels are melted & mixture is smooth; if not fully melted, put back in for 10 second intervals.
Step #6 COMBINE flour, cinnamon, baking powder, sugar, pecans & remaining morsels in large bowl.
Step #7 COMBINE egg, vanilla extract & melted morsel mixture in small bowl; stir in theto flour mixture just until moistened.
Step #8 Spoon into prepared muffin c, filling 2/3 full then sprinkle with Topping.
Step #9 BAKE for 20 to 25 mins then cool in pan for 5 mins; remove to wire rack to cool completely.