Crush ⅔ package of Oreos and place it in the bottom of a 9×13 pan. Set aside.
Mix cream cheese and margarine (or butter) until smooth. Mix in powdered sugar and fold in whipped topping. Set aside.
In a separate bowl mix pudding, milk, and vanilla. Fold this mixture in with the cream cheese mixture. Pour over the crumb mixture.
Sprinkle with the reserve crushed Oreos. Let set for a few hours and keep refrigerated until ready to serve.
Right before serving, top with bunny Peeps, edible grass, and Candy Easter Eggs. ENJOY