Place the lime juice and ground cumin for the marinade in the bottom of the dish you'll use to marinate the chicken.
Sprinkle a little more of the ground cumin and a few drops of lime juice on top. Season with some salt and pepper.
Grill until cooked through, then dice.
Meanwhile cook the pasta.
And saute the frozen veggies. (No need to let them thaw.)
Toss in the ground cumin and lime juice and saute with the veggies for 5 to 7 minutes. Stir often.
Add veggies in with the cooked pasta. (If you want to add sour cream...add 1/2-1 cup here.)
Toss in the grilled and diced chicken.
Serve Grilled Chicken Fajita Pasta with avocado slices.