Step 1: Fry or grill sausages until cooked through, chop them all into bite size pieces and scatter over a baking dish.
Step 3: Boil pasta until almost cooked, drain and allow to cool.
Step 5: Pour salsa and ketchup unto sausages and mix until they are all covered. Now add the pasta and mix again.
Step 7: Cover with grated cheese and heat in the oven until the cheese is bubbly and golden.