1 9-inch graham cracker pie crust-store bought or your own
12 oz firm tofu
1/3 cup powdered sugar
2 Tbsp Key lime juice
Zest of 1 large lime
In food processor, puree the tofu until smooth, about 3 minutes. Add the powdered sugar and Key lime juice. Continue to puree until smooth.
Pour into crust. Garnish with lime zest. Refrigerate for at least an hour or overnight.