Step 1

Boil the macaroni al dente, according to the directions on the package. Drain and set aside.

Step 2

While the pasta is boiling, make a slurry by adding butter and garlic to a large oven safe skillet or pot. Over medium heat melt the butter and whisk in the flour and onion powder. Cook for 30 seconds until a paste forms. Slowly add in the milk whisking away any lumps.

Step 3

Increase the heat to medium-high and bring the mixture to a boil. Reduce heat and simmer for 5-10 minutes stirring until the sauce thikens up similar to a gravy.

Step 4

Add in the 6 oz. of cheese and 1 packet of taco seasoning and stir until completely melted

Step 5

Fold into the cheesy sauce the cooked noodles, black beans, and drained tuna. Mix until well combined.

Step 6

Pour the tuna macaroni and cheese into a prepared baking dish. Spead the crushed nacho chips over the pasta and then sprinkle the 1/2 cup shredded cheddar cheese over the crushed chips.

Step 7

Place the casserole dish under the oven broiler to melt the cheese on top.

Step 8

Sprinkle the chopped fresh cilantro over the melted cheese and serve immediately.

Step 9

Serve with hot sauce for those who like spicy (optional).