Mocha Spice Cake

1 1/2 cups flour
1 tsp baking soda
1 tsp cinnamon
1/2 tsp baking powder
1/2 tsp salt
1 cup sour cream
1/2 cup water
1 tbsp instant coffee
1/2 tsp vanilla
1/2 cup butter
1 1/2 cups sugar
2 eggs
2 oz unsweetened chocolate, melted

Mix flour, soda, cinnamon, baking powder, and salt. Combine sour cream, water, coffee, and vanilla. Cream butter, then gradually beat in sugar. Add eggs one at a time, beating well after each. Mix in chocolate. Alternately add about a third of the flour mixture then half the sour cream mixture, ending with the flour mixture.

Pour into a greased and floured 13 by 9 inch pan. Bake at 350F for 30-35 minutes until a toothpick inserted in the center comes out clean. Cool in pan for 10 minutes and then transfer to a rack. Sprinkle with confectioners sugar.