2 cups vegetable oil
1/3 cup white sugar
1 1/2 cups packed brown sugar
1 teaspoon baking soda
1 teaspoon ground cinnamon
1/4 teaspoon salt
2/3 cup walnuts
1/2 cup butter, softened
3 tablespoons vanilla extract
3 tablespoons milk
In a small bowl, mix together the oil, sugar, brown sugar, baking soda, cinnamon and salt. Gradually drizzle over crust until it is all covered. Chill overnight.
When the brown sugar mixture has thawed, cream together butter, vanilla and milk. Beat into brown sugar mixture until thoroughly combined. Crust edges to seal. Secure pizza crust firmly with toothpicks.