Pumpkin Dessert

¾ cup graham cracker crumbs
3 tablespoons margarine, melted
2 tablespoons sugar
1 package (12 oz.) soft silken tofu
1 can (15 oz.) solid pumpkin
½ cup brown sugar
¼ cup granulated sugar
2 teaspoons pumpkin pie spice 

Mix three first ingredients in 8×8-inch square baking dish
and pat in baking dish to form crust.  In medium bowl beat tofu until creamy;
add remaining ingredients and mix well.  Pour pumpkin mixture on top of crust. 
Bake at 350 degrees for 45 to 50 minutes or until filling is set: cool.  Serves 9.