Grandma Row's Coffee Cake

Ingredients
1 cup sugar
1 cup brown sugar
1 stick butter
2 cups flour, divided
1 egg
1 cup buttermilk
1 tsp baking soda
1 tsp vanilla
½ cup raisins
½ cup chopped nuts (pecans or walnuts)

Instructions
Preheat oven to 350°

Mix together the sugar, brown sugar, butter, and 1 cup of flour.
Set aside 2 tbsp of the mixture to use later for a topping.
To the main batter, mix in the remaining cup of flour, as well as the egg, buttermilk, baking soda, vanilla, and raisins.
Pour the batter into a greased and floured 9x13 cake pan.
Sprinkle the reserved sugar/flour/butter mixture over the top, along with the ½ cup chopped nuts.

Bake at 350° for 30 minutes or until done.