Baked Spaghetti with olive

4 ounces spaghetti 2 boneless skinless chicken breast halves , cut in bite size pieces 1 tablespoon olive oil 3 garlic cloves , smashed 1/2 cup red onion ,[...]

1 lb cooked spaghetti, any brand any kind thin linguini whatever 1 (28 ounce) jar spaghetti sauce, any brand any kind use homemade if you have it about 4-1/2[...]

12 ounces spaghetti 1 teaspoon olive oil 1/4 teaspoon salt 2 1/2 cups grated swiss cheese or 2 1/2 cups muenster cheese 1/2 cup freshly grated parmesan cheese[...]