Chicken and Peppers in White Sauce

chicken parts or 2 boneless chicken breast cut into pieces. (drumsticks or thighs or a combination)

green pepper (seeds removed and cut into slices)

red pepper (seeds removed and cut into slices)

medium size onion cut into slices

heaping tablespoon minced garlic (jarred)

chicken broth

mayonnaise

box penne pasta

salt and pepper

olive oil

butter