2 - 8 ounce packages (450 grams) full fat cream cheese, at room temperature
2/3 cup (135 grams) granulated white sugar
1/8 teaspoon salt
2 large eggs, at room temperature
1 teaspoon pure vanilla extract
1/2 teaspoon freshly grated lemon zest (outer yellow skin) (optional)
1/2 cup (110 grams) sour cream, at room temperature (I like to use light or reduced fat sour cream)