1. Peel the garlic and onion, put them in a blender and mix them with lime juice and spices until you get a puree.
2. Add a yogurt, salt, and mix again.
3. Cut each chicken fillet into 8 diagonal strips. Put them in a shallow dish and coat them with the marinade. Cover with plastic wrap and refrigerate for 4 hours.
4. Prepare the dipping sauce: pour 2 yogurts into a bowl, add 2 teaspoons of lemon juice and 4 tablespoons of chopped fresh mint, salt, and pepper. Cover with plastic wrap and refrigerate.
5. Preheat the oven to the broil setting. Spread the chicken strips on a rack and bake for 6 minutes, flipping halfway through.
6. Divide the mint sauce into 4 small bowls. Place them on presentation plates. Add 6 chicken strips on a bed of mint leaves.