1. 1 Split Twinkies lengthwise and lay in 9x13 pan (Should use whole box). 2. 2 Prepare instant pudding with 1&1/2cups milk. 3. 3 Lay sliced bananas over Twinkies in pan and pour Pudding over bananas. 4. 4 Prepare 2 envelopes of Dream Whip as per package directions and spread this over the top of Pudding. 5. 5 Chill in refrigerator until set (about an hour or longer). 6. Better if made one day ahead.