Streusel coffee cake

Batter
2 c. flour
1 c. sugar
3 tsp baking powder
1 tsp salt
1/3 c. margarine or butter softened ( I have just used oil instead)
1 c. milk
1 egg

If you want a thicker coffee cake which is what we usually do then double the ingredients for the batter.

Beat ingredients in bowl until well blended about 2 min.  Spread half of the batter in a greased 13X9 cake pan and sprinkle half of the streusel on top.  Put remaining batter over the streusel and then sprinkle the remaining streusel on top.   

Streusel
1/3 c. packed  brown sugar
1/4 c. flour
1/2 tsp cinnamon
3 Tbls. firm butter

If you double the batter then I do:

1 c. packed brown sugar
1 cube of butter (this would be a half a cup)
3 tsp. cinnamon
1/2 c. flour


Mix butter with a knife until crumbly the butter is not to be mixed in until it is all smooth but just cut in.

Bake 350 for 35 min to 40 for the thinner pan and 45 to an hour for the double pan..  If you double it then at 45 min. I would start checking it with a tooth pick.