Blanch Pasta

Bring a large pot of heavily salted water to a rolling boil. Add macaroni and cook 2 minutes less than package directions, until just al dente; drain and set aside.

Sauté Peppers

In an oven-safe skillet, melt butter over medium-high heat. Add diced jalapeños (and bacon if using) and sauté until edges brown and peppers soften, about 3–4 minutes.

Make Roux & Cheese Sauce

Sprinkle flour into melted butter and whisk 1 minute. Gradually pour in milk, whisking constantly until smooth. Simmer until sauce thickens, about 5 minutes. Stir in cheddar and cream cheese until fully melted and silky.

Bake & Broil

Stir drained pasta into the sauce. Top with breadcrumbs or crushed Cheetos. Bake at 350 °F for 15–20 minutes, until bubbly. Switch to broil for 1–2 minutes to achieve a golden-brown crust—watch closely to avoid burning.