cook the pasta for 8 minutes, while the pasta is cooking chop the kale and sun-dried tomatoes and place them in a mixing bowl.
once the pasta is cooked, drain it and rinse it in cold water, add it to the mixing bowl with the kale and sun-dried tomatoes
cook the sausage in a skillet over medium heat until it is cooked through. If you are using links, break them into bite-sized pieces.
once the sausage is cooked through, drain off the excess fat and place it into the bowl with the pasta and kale.
to make the sauce: add the butter or olive to a saucepan along with the garlic and onions, cook them until they begin to soften and stir in the flour to make a roux (thick paste).
turn the heat to low and gradually stir in the milk stirring until the mixture starts to thicken
add the parmesan cheese and stir until all is melted and add the nutmeg
pour the sauce over the pasta mixture in the bowl and mix well
add the pasta mixture to a 9X13 casserole dish
sprinkle with mozzarella cheese; cover and bake at 350 for 30 minutes
Notes
Variations
Vegetarian
leave out the sausage and add two chopped and sauteed portobello mushroom caps
Gluten-Free
Use gluten-free pasta such as pasta made with quinoa or chickpeas
Replace flour in the sauce with the same amount of arrowroot to thicken the sauce