1/2 c. butter
1 c. sugar
1/2 c. Crisco
1 (4 serving size) box pudding, not instant
1 c. milk

Beat the butter, sugar, and shortening together in mixer at highest speed for at least 10 minutes. Cook pudding with one cup of milk until very thick, stirring constantly. Let cool. Add cooled pudding to mixture and beat 5 more minutes.