Add the sugar cookie dough and flour to a stand mixer and use the paddle attachment to mix together. Sugar cookie dough may crumbly and loose.
Press dough back together with hands and roll out to about 1/4" to 1/2" thick.
Use tart pan to cut out cookie dough to fit into the tart pan.
Press sugar cookie dough into tart pan, making sure to cover all of the inside of the pan.
Bake according to your sugar cookie package directions.
Once baked, allow to cool and remove from pan.
Fill sugar cookie tarts with lime curd and place in the fridge to chill for a few hours or overnight to allow the flavors to meld together.
Serve with whipped cream, lime zest and or candied limes.