01 -
Preheat the oven to 190°C (375°F).
02 -
Bring a large pot of salted water to a boil. Cook the macaroni according to package instructions until just al dente. Drain and set aside.
03 -
Arrange the hollowed bell peppers upright in a baking dish. Lightly brush or spray the outsides with oil.
04 -
In a medium saucepan, melt 2 tbsp butter over medium heat. Stir in the flour and cook, whisking constantly, for 1 minute. Gradually whisk in the milk; cook, stirring, until thickened, about 3–4 minutes.
05 -
Remove the sauce from heat and stir in cheddar, mozzarella, salt, pepper, and paprika until smooth.
06 -
Add the drained macaroni to the cheese sauce and mix well.
07 -
Spoon the mac and cheese into each bell pepper, filling to the top.
08 -
In a small bowl, combine breadcrumbs, melted butter, and Parmesan. Sprinkle evenly over the stuffed peppers.
09 -
Cover the baking dish loosely with foil and bake for 30 minutes. Remove foil and bake an additional 5 minutes, or until the breadcrumbs are golden and peppers are tender.
10 -
Garnish with chopped parsley before serving, if desired.