Strawberry Bars

Ingredients:

1 cup of Unsalted Butter, at room temperature
2 Cup of all Purpose Flour
1 Egg
1 cup of Granulated Sugar
½ tsp of Salt
1 tsp of Baking Soda
1 tsp of Vanilla Extract
Zest of ½ of an orange
½ to 2/3 cup Strawberry Jam, seedless