Alfredo without refried

1 onion, chopped 1 clove garlic, minced 2 teaspoons vegetable oil 2 cups skim milk 1 cup chicken broth 3 tablespoons all-purpose flour 1/2 teaspoon salt 1/4[...]

2 1/4 cups dry penne pasta 1 head fresh broccoli 1 lb shelled cooked shrimp , any size (defrosted, if frozen) 6 tablespoons butter or 6 tablespoons margarine[...]

2 1/4 cups dry penne pasta 1 head fresh broccoli 1 lb shelled cooked shrimp , any size (defrosted, if frozen) 6 tablespoons butter or 6 tablespoons margarine[...]