Spicy Cajun Pasta

Name: Spicy Cajun Pasta
Ingredients: 1 pound Cajun style smoked sausage; 6 cups dry broken spaghetti or pasta of choice; 10.5 ounces cream of mushroom soup; 10 ounces Rotel tomatoes undrained; 1 1/2 cups reserved pasta cooking water; 1 1/2 cups shredded medium cheddar cheese divided; 1 1/2 cups shredded Monterrey jack cheese divided; 1 small green bell pepper thinly sliced; 1 small red bell pepper thinly sliced; 1/2 small onion thinly sliced; 1 tablespoon oil or bacon grease; 2 teaspoons Frank's hot sauce; 1 teaspoon Tony's Cajun seasoning or preferred brand; 1/4 teaspoon black pepper; 1/8 teaspoon cayenne pepper