Sweet Sausage Marsala

1 (16 ounce) package farfalle (bow tie) pasta
1 pound mild Italian sausage links
1/3 cup water
1 clove garlic, minced
1/2 large onion, sliced
1 medium green bell pepper, sliced
1 medium red bell pepper, sliced
1 tablespoon Marsala wine
1 (14.5 ounce) can Italian-style diced tomatoes, undrained
1 pinch dried oregano
1 pinch black pepper

Bring a large pot of lightly salted water to a boil.
Cook pasta for 8 to 10 minutes, or until al dente; drain.
Place whole sausages and 1/3 cup water in a skillet over medium-high heat.
Cover, and cook 5 to 8 minutes. Drain and thinly slice.
Return sausage to skillet.
Stir in garlic, onion, peppers, and Marsala wine.
Cook over medium-high heat, stirring frequently, until sausage is cooked through.
Stir in diced tomatoes, black pepper, and oregano.
Cook about 2 minutes more, then remove from heat.
Serve over cooked pasta.