Grammy's Blueberry Cake

Ingredients:
1/2 Cup of Butter
2 Beaten Eggs
2 Cups of Sugar
3 and 1/4 Cups of Flour
1/2 Teaspoon of Baking Soda
1 Teaspoon of Cream of Tartar
1 Cup of Milk

Directions:
Combine softened butter with sugar and eggs in a mixer until smooth. In a separate bowl mix together flour, baking soda and cream of tartar. Slowly add the dry mixture to the wet in the mixer alternating dry mix with the cup of milk. Once the mixture is combined take a quart of blueberry's (flour the blueberry's first it will prevent them from all sinking to the bottom) and fold them into the batter. Grease a 13 X 9 inch pan and pour cake into the pan. Sprinkle top of the cake with a cinnamon and sugar mixture. Bake at 350 degrees for 35 - 40 minutes.