Cinnamon Sugar and Spice Muffins

4 cups flour
2 Tbls baking powder
1 tsp. baking soda
1 tsp.salt
3 tsp. cinnamon
4 large eggs
2 cups sour cream (or vanilla yogurt)
1 3/4 cup brown sugar
8 Tbls. oil
2 tsp. vanilla

Topping
1 stick of margarine or butter
1/2 C. sugar
2-3 tsp. cinnamon

Preheat oven to 400*.  spray 24 muffin cups.
In large bowl Mix flour, baking powder, soda, salt and cinnamon.
In medium bowl mix eggs, sour cream, sugar, oil and vanilla.  Add to flour mixture and mix until moistened, avoid over mixing.  Pour into muffin cups and bake for 12-15 minutes.  For topping melt butter in a small bowl (just big enough for the muffin top), and mix cinnamon and sugar in a separate small bowl.  Remove muffins from oven, dip tops into the butter and than roll in the cinnamon sugar mix. Enjoy.
This is a wonderful recipe for breakfast or anytime.  This Recipe can be easily halved.
A similar recipe can be found on www.bakedperfection.com