Bring a pot of water to a boil add 1 tablespoon salt to it

Add 1 box macaroni and boil until al dente (around 10-12 minutes)

Slice onions, dice jalapenos, and cut bacon into 1/4 inch pieces

Cook bacon on medium high until crisp (about 10 minutes) and set aside

In the same pan your bacon was in, add the onions, sugar, and vinegar, and caramelize them

Once onions are caramelized, add jalapenos

Remove onions and jalapenos from pan and set aside

Turn heat down to medium

Preheat oven to 350°F

Microwave butter for 30 seconds and mix in flour to make a roux, and then add roux to pan

Add milk, stirring constantly

Once roux has bloomed, add Parmesan and stir to combine

Turn heat off and fold macaroni into the pan, coating all pieces

Add onion, pepper, bacon mix, and half the cheese, folding together to incorporate

Top with the remainder of the cheese

Bake for 30 minutes

Remove and serve