Heat a grill on medium-high heat. Rub 2 tablespoons olive oil over chicken and season with salt and pepper. Grill for 5-6 each side for breasts and 4-5 minutes each side for tenders. let rest 10 minutes then slice.
Heat a large skillet on medium heat and add 2 tablespoons of olive oil. Add spinach and cook 3-4 minutes until wilted. remove and set aside.
In the same skillet add butter and onions and saute for 2-3 minutes or until softened. Add garlic and cook another minute. Add in half and half and bring just to a simmer but don't boil. Reduce heat to low, and add in parmesan cheese and whisk until melted.
Add in cooked pasta, chicken, roasted tomatoes, and spinach. Mix until combined.
Garnish with Italian Parsley or basil
Video
Notes
If you don't have half and half you can use 1 cup milk and 1 cup heavy cream. If you don't have an outdoor grill this smokeless indoor grill is great.