1/2 cup butter, softened
3/4 cup white sugar
1 1/4 cups all-purpose flour
1 teaspoon cream of tartar
1/2 teaspoon baking soda
1/4 teaspoon salt
1 (8 ounce) package cream cheese
1/2 cup white sugar
2 teaspoons vanilla extract
Preheat oven to 350 degrees F (175 degrees C).
In a large bowl, cream together the butter and 3/4 cup sugar until smooth. Mix in egg. combine the flour, cream of tartar, baking soda and salt; stir into the creamed mixture until just blended.
Press dough into an ungreased pizza pan.
Bake in preheated oven for 8 to 10 minutes, or until lightly browned. Cool.
In a large bowl, beat cream cheese with 1/2 cup sugar and vanilla until light. Spread on cooled crust.
Arrange desired fruit on top of filling, and chill.
Note: This is great for feeding a large crowd or making with kids. The kids can decorate the pizza, as shown here.