Cube chicken, rinse and chop broccoli, and dice the onion. Juice the lemon.
Season the chicken cubes with salt, pepper, and lemon pepper seasoning.
Heat a large non-stick skillet to medium high heat with the olive oil. Add the chicken in a single layer. Brown on all sides -this should take about 6-7 minutes. Remove the chicken to a plate.
Add the chopped onion to the skillet. Turn heat to medium, cook and stir for 3-4 minutes. Stir in garlic, oregano, and red pepper flakes, cook another minute.
Add the uncooked pasta, water, bouillon, milk, and the remaining 1/2 tsp salt. Bring to a boil, then simmer uncovered over med low for about 5 minutes, stirring occasionally.
Stir in the broccoli, cover, and cook for 3-5 minutes or until tender.
Add the cream, parmesan cheese, cooked chicken, and lemon juice. Cook for about 3-4 minutes or till heated through.