
Preheat oven to 350°F and line two large baking sheets with parchment paper.
In a small bowl, combine the flour, cardamom, baking soda and salt.
In a large bowl, combine softened butter, granulated sugar and brown sugar. Cream with electric beaters on medium-high until fluffy.
Add egg, molasses, lemon juice and vanilla extract. Beat on high until creamy and light and just combined.
On low speed, gradually add the flour mixture until just combined.
Divide the dough into 1 1/2 tablespoon-sized balls using a spring-loaded scoop.
Bake for 9-11 minutes or until cookies are firm and slightly darker at the edges.
Cool on the baking sheet for 5 minutes, then transfer to wire racks to cool completely.