Preheat oven to 350.
Cook spaghetti noodles al dente. Add cooked spaghetti to a 9x13 baking
dish. Mix Sauce into noodles. Cover dish with Kraft singles on top.
Bake
for 20 minutes.
Making the sauce-
Melt butter, then add in the flour; Stir. Add the rest of ingredients;
Stir.
9 minutes in the microwave; Mix at 4 minutes.