Grandma s Frozen Peanut Butter Pie

1 (16 ounce) package silken tofu

¾ cup peanut butter

½ cup honey

¼ cup vegetable oil

1 teaspoon vanilla extract

⅛ teaspoon salt

1 baked (9-inch) pie crust

Blend tofu in a food processor until smooth; add peanut butter, honey, vegetable oil, vanilla extract, and salt. Blend until filling is smooth and creamy. Pour into prepared crust and freeze until solid, at least 4 hours.