Dinette Spice Cake

I've been looking for this recipe for 4 years. I thought it was in a cookbook, and maybe it once was. But I finally found it in a pile of miscellaneous recipes. Great easy quick cake...

1 1/2 c flour
1 c sugar
2 t baking powder
1/2 t salt
1/3 c shortening
2/3 c milk
1 t vanilla
1 egg
1 t cinnamon
1/2 t nutmeg
1/4 t cloves

Heat oven to 350. Stir the flour, sugar, baking powder, salt and spices together. Add shortening, milk, and vanilla. Beat 2 minutes at medium speed on mixer. Add egg. Beat 2 more minutes. Pour into greased and floured square pan, 9 x 9. Bake 30 to 35 minutes until toothpick stuck into center comes out clean.

Easy Penuche Icing
1/3 c butter
2/3 c brown sugar (packed)
3 T milk
1 to 1 1/2 c sifted powdered sugar

Melt butter in saucepan. Stir in brown sugar. Boil and stir over low heat 2 minutes. Stir in milk. Bring to boil, stirring constantly. Cool to lukewarm. Gradually stir in confectioners' sugar. Place pan in ice water and stir until thick enough to spread. For 9" square cake.