Add the yogurt, feta, mint and lemon juice to a small food processor or blender, pulse until smooth.
Make the Spiced Ground Lamb
Heat a large saute pan over medium heat. Add olive oil.
When oil is hot, add onions and garlic. Sauté for 5 minutes, until starting to soften but not brown.
Add ground lamb. Brown lamb until cooked through.
Add paprika, allspice, red pepper flakes, ginger, salt and pepper. Mix until fully combined, cook for 1-2 minutes. Remove from heat and stir in fresh herbs.
Assemble the pitas
To one pita, add spiced lamb, cucumbers and tomatoes, drizzle with feta mint sauce. Garnish with more fresh herbs if desired.
Notes
Store leftover sauce in an airtight container in the fridge for 2-3 days.Store leftover ground lamb in the fridge in an airtight container for up to 3 days.