Directions
1. Whisk together chipotle, orange juice, maple syrup, garlic and oil.
2. Toss with chicken.
3. Let marinate in the refrigerator for at least 15 minutes and up to several hours.
4. Heat grill to a medium high heat.
5. Alternatively, preheat the oven to 450 °F.
6. Thread chicken onto skewers.
7. Grill chicken 4-5 minutes per side.
8. Meanwhile combine avocado, lime juice, cilantro, and yogurt in a blender.
9. Blend until smooth.
10. Season to taste with salt.