Slice 8oz Chicken Breast in half longways, pat both sides with towel to remove excess juices. Season with dry rub seasoning. Heat skillet medium high with butter as heats up. Add chicken and dont touch. Let it sear approx 6-8 minutes. Turn over and continue to sear. Baste with butter sauce. Continue to sear until chicken is tender or 120 in center. Meanwhile add diced 3/4 of diced onion and half the cilantro and saut with chicken. Remove chicken and let rest in aluminum foil to maintain heat.
In a sauce pan, add water and salt to a boil and add in tortellini. Stir immediately. Continue to lightly boil for about 2min. Drain.
In skillet on low heat, add in Alfredo sauce, pepper, and Cayenne Pepper. Stir occasionally until hot and add tortellini and remaining onion and cilantro. Continue to stir until lightly boils.
Remove chicken, and sauted onion/cilantro from foil, slice chicken.
Plate Tortellini Alfredo and top with slices of chicken and saut mix.
Serve and enjoy!
