Step 1

Cook pasta according to package directions until al dente

Step 2

While pasta is cooking, heat oil in a large skillet and saute onions and bell peppers until tender

Step 3

Add garlic and sliced andouille sausage and cook for two more minutes

Step 4

Stir in the sliced green onions and shrimp and cook them for two minutes on each side

Step 5

Take the skillet off the heat and transfer the mixture to a plate. To make the cheese sauce, melt 2 tbsp butter in a skillet or small saucepan and add the flour. Cook until golden

Step 6

Add the milk and simmer for 2-3 minutes until thickened, then add 1 cup each Cheddar and Monterey Jack and one tbsp cajun seasoning. Stir until melted.

Step 7

Mix cheese sauce, pasta and sausage mix together and pour into a 9x13 inch casserole dish

Step 8

In a small bowl, mix together panko breadcrumbs, 2 tbsp melted butter, remaining sliced green onions, and a pinch of salt

Step 9

Sprinkle bread crumb mixture evenly over mac and cheese and bake in a preheated 350F for 15 minutes