In a bowl, combine flour, sugar, baking powder, baking soda, and salt. Add buttermilk, egg, whole milk, melted butter and vanilla. Heat a non stick griddle. Scoop about 1/4 cup batter for each pancake onto griddle. Brown on both sides.
Pecan Pie Topping
Place butter and brown sugar in a saucepan over medium heat. Cook until butter is melted. Add Eagle Brand Condensed Milk. Cook for another 5-10 minutes until mixture is bubbling. Remove from heat and add in vanilla and pecans. Top pancakes with the mixture and serve.