Rich Chocolate Cake (Great Grandma Kubes)

1 cup Margarine
2 cups Sugar
2 Eggs
1 cup Sour Milk (Put a little vinegar or lemon juice in a cup of milk.)
2 ½ cups Flour
½ cup Cocoa (Thomas always adds an extra Tbsp.)
1 tsp. Baking Soda
1 tsp. Salt
1 cup Boiling Water
1 tsp. Vanilla
Cream margarine, eggs, and sugar. Add boiling water, sour milk, and flour alternately. Add vanilla.
Bake in cake pan at 350 degrees for 25 minutes. Or in cupcake pan at 350 degrees for 15-20 minutes.