In a food processor, combine the basil, Parmesan, pine nuts, garlic, lemon juice, salt, pepper, and olive oil. Pulse until smooth texture. Set aside.
2. Step
With a vegetable peeler, shave ribbons of the zucchini until you reach the seeds. Set aside.
3. Step
Slice the cherry tomatoes and set aside.
4. Step
Heat a 4-quart jumbo cooker over medium-high. Add a little oil, the chicken breasts, and sprinkle with salt and pepper. Cook until the chicken is cooked through and browned on all surfaces.
5. Step
Turn off the heat and add the cherry tomatoes, pesto, and zucchini ribbons. Toss until well combined and heated through.