Preheat oven to 350 degrees F.
Butter or spray muffin pan
Melt butter in small pan on medium heat
Once melted, add brown sugar and stir constantly on medium heat until sugar is melted
Add 1 teaspoon of vanilla and mix well
Remove butter/sugar mix from heat
In a separate bowl whisk flour, cornmeal, baking powder, white sugar and salt until blended
Add eggs, 1 teaspoon of vanilla, white sugar and oil
Stir well until blended
Spoon small amount of butter/sugar mix into each muffin pan spot
Next, add thin layer of pecan pieces over butter/sugar mix in muffin pan
Finally, scoop flour/cornmeal mixture into muffin pan
Place in oven and bake for 20 - 23 minutes until the edges of the muffins are brown and a toothpick placed into the center comes out clean.
Remove from oven and let sit until they are still warm.
Place a cookie sheet over your muffin pan and flip upside down to release muffins.
If you have additional pecan/brown sugar left in your muffin pan, scoop out and lay over tops of muffins.
Serve Warm