Nutrition information is calculated using an ingredient database and should be considered an estimate
Preheat oven to 350°F. Grease 13 x 9-inch baking pan then line with parchment paper leaving a 2-inch overhang on all sides.
Beat I Can't Believe It's Not Butter! Spread in large bowl with electric mixer until fluffy, about 3 minutes. Add sugar and vanilla extract and beat until pale and fluffy, about 2 minutes. Gradually add flour and beat until just blended. Mixture will resemble coarse crumbs.
Turn dough into prepared pan and press firmly into an even layer.
Bake 20 minutes or until edges are beginning to brown.
Beat eggs in large bowl. Using a wire whisk, gently stir in sugar then flour just until blended. Stir in lemon juice, lemon zest and salt.
Pour filling mixture over warm crust.
Bake 25 minutes or until mixture is set.
Remove from oven and cool completely. Using parchment overhang, lift lemon bars out of pan and cut into squares.