Lilikoi Mango Chiffon Squares
- 2 sticks (1/2 pound) unsalted butter, softened
- 1 1/3 cups sugar, divided
- 2 cups flour
- 1 block (8 ounces) cream cheese, softened
- 1 teaspoon vanilla
- 1 container (8 ounces) whipped topping
- 8 eggs, separated
- 1/2 teaspoon salt
- 1/2 cup lilikoi puree
- 1/2 cup mango puree
- 2 packets (.25 ounces each) unflavored gelatin, softened in 1/2 cup hot water
- 1 teaspoon cream of tartar