One Pot Mac & Cheese

1: Bring water, 1 cup evaporated milk, macaroni, and 1/2 tsp salt to a vigorous simmer in a 12 inch cast iron skillet over medium high heat.

2: Cook, stirring often, until macaroni is tender and liquid has almost completely evaporated, about 8-10 minutes.

3: Whisk remaining 1/2 cup evaporated milk, cornstarch, dry mustard in a bowl and stir into skillet.

4: Cook until sauce is slightly thickened, about 1 minute.

5: Off heat, stir in shredded Gouda cheese, 1 handful at a time, until melted.

6: Stir in extra hot water to adjust consistency.

7: Stir in butter and season with salt and pepper to taste.

8: Serve.