HEAT oven to 425°F. Whisk pumpkin, sweetened condensed milk, eggs, spices and salt in medium bowl until smooth. Pour into crust.
BAKE 15 minutes. Reduce oven temperature to 350°F; bake an additional 35 to 40 minutes or until knife inserted 1-inch from crust comes out clean. Cool. Garnish as desired.
SOUR CREAM TOPPING: COMBINE 1 1/2 cups sour cream, 2 tablespoons sugar and 1 teaspoon vanilla extract in medium bowl. After pie has baked 30 minutes at 350ºF, spread evenly over top. Bake 10 minutes.
STREUSEL TOPPING: COMBINE 1/2 cup packed brown sugar and 1/2 cup flour in medium bowl. Cut in 1/4 cup cold butter until mixture resembles coarse crumbs. Stir in 1/4 cup chopped nuts. After pie has baked 30 minutes at 350ºF, sprinkle evenly over top. Bake an additional 10 minutes.
CHOCOLATE GLAZE: MELT 1/2 cup semi-sweet chocolate chips and 1 teaspoon shortening in small saucepan over low heat. Drizzle or spread over top of baked pie.