Preheat the oven to 400 degrees F. Heat a medium cast iron skillet over medium heat and add olive oil. Add your vegetables of choice and cook, stirring, for 3-4 minutes or until just softened.
Add marinara sauce and cook, stirring, for 1 minute or until warmed through. Stir in the beans and spices. Remove from heat.
Lay the puff pastry sheets over the pie filling at alternate angles. Press edges to seal. Fold points inwards to create a decorative edge. Cut 2 small slits in the top of the pie for steam to escape. Bake for 25-30 minutes or until puffed and golden.
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