Strawberry Nut Dessert Pizza

1 C all purpose flour
1/4 C powdered sugar
1/2 C butter or margarine -- melted
3/4 C granulated sugar
1 teaspoon lemon juice
2 8 oz. cream cheese -- softened
1/2 C granulated sugar
2 tablespoons cornstarch
1/2 C water

1 quart strawberries -- cut in half
1/2 C pecans -- chopped

Heat oven to 350 degrees. Mix flour and sugar in medium bowl.
Stir in just enough margarine with fork until all flour is moistened and dough cleans the side of bowl. Pat in ungreased 12-inch pizza pan. Bake
10 to 12 minutes or until light golden brown; cool.
Beat 3/4 cup granulated sugar, the lemon juice and cream cheese in small bowl 
with electric mixer on high speed until smooth and fluffy.
Spread over crust. Refrigerate about 30 minutes or until chilled. 
Mix 1/2 cup granulated sugar and the cornstarch in 1-1/2qt. saucepan. 
Stir in water.
Cook over medium heat, stirring constantly, until mixture thickens and boils. 
Boil and stir 1 minute. Cool 10 minutes. Stir in
strawberries and pecans. Spoon over cream cheese mixture. 
Refrigerate about 1 hour or until chilled. Cut in wedges. 
Cover and refrigerate any remaining pizza.