Alfredo lemon pepper chicken fettuccini

Alfredo sauce
3/8 c butter
1 1/3 c heavy cream
2 small cloves garlic
2 c parmesan
(Source: all recipes...link later)
Chicken
1 1/2 lb chicken cubed
1 t lemon zest
1 t lemon juice
1 t fresh ground pepper
2 T olive oil

Pasta al dente