In a large, heavy-bottomed pot or Dutch oven, over medium-high heat, combine milk, water and macaroni. Bring to a gentle boil, reduce heat, and simmer uncovered until macaroni is al dente, about 8-12 minutes. It’s okay if it looks like there is excess liquid in the pot. It’s needed to help melt the cheeses, butter and seasoning.
Remove pot from heat and stir in the Velveeta, sharp cheddar, butter, Dijon and seasonings. Stir until the cheese melts. Add another splash of milk if needed. Taste and adjust seasonings. Serve immediately. This dish is best served warm and fresh.
Notes
Store any leftovers in an airtight container in the refrigerator for up to 3 days. Store in the freezer for up to three months. Reheat leftovers in the microwave or on the stovetop. This dish thickens as it cools so you may need to add a splash of milk when reheating.