In a bowl combine flour, sugar, and baking powder. Add milk, butter,
egg and vanilla. Beat with an electric mixer on low speed till
combined. Beat on medium speed for 1 minute. Pour batter into a
greased and floured 8X1-1/2 inch round baking pan. Bake in a 350 oven
for 25 to 30 minutes or till a toothpick inserted near the center
comes out clean. Cool on rack for 5 minutes; remove from pan. FROST
WITH PENUCHE FROSTING: In microwave, in a 1 qt. casserole, micro-cook
1/4 cup butter or margarine on high for 1 to 1-1/2 minutes or till
melted. Stir in 1/2 cup packed brown sugar. Cook on high for 1 to 2
minutes, or till bubbly over entire surgace, stirring every minute.
Add 4 ts milk; beat vigorously till smooth. Add 1 3/4 cups sifted
powdered sugar; beat by hand until of spreading consistency.
Immediately frost top of cake.