Created by Mikekey on October 23, 2013
Step 1: Beat cream cheese and sugars in a bowl with a mixer on medium speed until smooth. Then beat in pumpkin, half-and-half, salt, pumpkin pie spice, and vanilla until smooth and fluffy.
Step 2: Lay enough graham crackers in a 9- by 9-in. pan to cover bottom (cut to fit if necessary).
Step 3: Spread a quarter of pumpkin mixture over crackers with an offset spatula. Layer 3 more times, ending with pumpkin mixture.
Step 4: Cover with plastic wrap; chill overnight.
Step 5: Dust with powdered sugar.
Step 6: Cut cake into squares.