BATTER:

1 1/2 cup flour
2 teaspoons baking powder
1/2 teaspoon salt
1/4 cup butter
1/2 cup sugar
1 egg
2 tablespoons plain yogurt
3/4 cup milk
1 teaspoon vanilla or rum

SPICE MIX:

1/2 cup packed brown sugar
2 tablespoon flour
1 teaspoon cinnamon*

Stir together spice mix ingredients.

To Make Batter: Combine dry ingredients and make a well in the center. Cream together butter, sugar and egg. Add yogurt milk and vanilla. Pour into the well and stir to moisten.

Fill greased muffin tins 1/3 full. Sprinkle on spice mix. Cover with more batter, filling to 2/3 full.

Bake in a preheated 400°F for 20-25 minutes.