Step-by-Step Instructions. Preheat Oven. Set oven to 375°F. Line a baking sheet with parchment paper or foil. Prep the Jalapeños. Slice jalapeños in half lengthwise.

Adding a sprinkle of Cajun seasoning to your mac and cheese doubles down on the Louisiana flavor. Sour Cream & Onion One guaranteed way to make boxed mac and cheese more decadent is by adding even ...