MAKE IT
Step 1
Preheat oven to 350° F.
Step 2
Combine 2 cups flour and powdered sugar in medium bowl. Cut in butter with pastry blender or two knives until crumbly. Press onto bottom and 1-inch up sides of ungreased 13 x 9-inch baking pan.
Step 3
Bake for 25 minutes.
Step 4
Place cream cheese, eggs, evaporated milk, granulated sugar, 1 tablespoon flour, lemon juice, lemon peel and food coloring in blender container; cover. Blend until smooth. Pour into partially baked crust.
Step 5
Bake for additional 15 minutes or until set. Cool in pan on wire rack. Spread sour cream over top; refrigerate. Cut into bars. Garnish as desired.