Kraft Cheese Sauce Recipe: Ultra-Smooth Melty Goodness

I developed this sauce after one too many grainy, separated cheese experiments in my tiny Boston kitchen. This version delivers ultra-smooth results every time with a simple, proven technique.

The key is low, steady heat and proper emulsification—no cornstarch or flour needed. I’ve tested this in real home conditions, so you won’t end up with a clumpy mess or oil slicks on top.

You’ll get a velvety sauce that coats the back of a spoon, with that classic melty texture we all crave. It reheats beautifully without breaking, making it perfect for batch cooking.

Use it for mac and cheese, nachos, or as a dip for veggies. This sauce keeps its creamy consistency for days in the fridge.

Ingredients for Kraft Cheese Sauce

Nine ingredients blend into that nostalgic, velvety cheese sauce we all love.

The cheeses make this sauce. Sharp cheddar from the block (shred it yourself—pre-shredded has anti-caking agents that mess with melt) and deli American cheese for that signature smoothness. Whole Foods has great cheddar, but any grocery store block works. The milk needs to be whole-fat; lower fat versions can separate. Trust me, the extra calories are worth it here.

No American cheese? Monterey Jack or Colby gets you close. Need it gluten-free? Swap flour for cornstarch at half the amount. Mustard powder missing? A teaspoon of Dijon works in a pinch. Butter can be salted if that’s what you’ve got—just reduce the added salt. The powders are optional but add that classic Kraft depth.

Sauce keeps 4-5 days in the fridge, reheats like a dream. Freeze for up to 3 months (thaw slowly in the fridge). Stir before using—it’ll thicken as it cools but comes back smooth with gentle heat.

Step-by-Step Instructions for Kraft-Style Cheese Sauce

Here’s how to make this sauce silky smooth with no lumps or graininess.

Step 1: Create a Smooth Roux Base

Melt the 2 tbsp Unsalted Butter in a medium saucepan over medium heat. Watch for the butter to foam and just start turning pale golden at the edges—this means it’s hot enough to form your roux without burning.

Whisk in the 1 tbsp All-Purpose Flour and cook for 1-2 minutes, stirring constantly, until the mixture turns a light sandy color and smells slightly nutty. This step cooks out the raw flour taste and creates the foundation for your sauce.

Step 2: Gradually Add Milk for Creamy Consistency

Slowly pour in the 1 cup Whole Milk, about ¼ cup at a time, whisking vigorously after each addition. This gradual incorporation prevents lumps from forming in your sauce. The mixture will seem thin at first—don’t worry.

Continue cooking and whisking until the milk thickens enough to coat the back of a spoon, about 3-4 minutes. You’ll notice the mixture transforming from liquid to a velvety base that will perfectly carry your cheeses.

Step 3: Incorporate Cheeses for Maximum Melt

Reduce heat to low and add the 2 cups Sharp Cheddar Cheese and 1 cup American Cheese. Stir constantly with a silicone spatula, pressing the cheese against the bottom and sides of the pan to encourage melting.

The American Cheese contains emulsifiers that will make your sauce ultra-smooth, while the sharp cheddar provides that bold flavor we’re after. This should take about 4-5 minutes for complete melting.

Step 4: Season and Adjust for Perfect Flavor

Stir in the 0.5 tsp Mustard Powder, 0.5 tsp Salt, 0.25 tsp Garlic Powder, and 0.25 tsp Onion Powder. Taste and adjust the salt if needed—remember that cheeses vary in saltiness.

Let the sauce simmer for an additional 2-3 minutes on low heat, stirring occasionally. You’re looking for a glossy finish and a consistency that ribbons off your spatula. If it seems too thick, add a splash of milk and stir until smooth.

Step 5: Serve While Hot and Ultra-Smooth

Remove from heat immediately once your sauce reaches the perfect consistency. Cheese sauces can thicken quickly as they cool, so serving promptly ensures that ideal pourable texture.

Use right away over pasta, veggies, or as a dip. If you need to hold it, keep the sauce in a warm (not hot) water bath and stir occasionally. This keeps it smooth and prevents a skin from forming on top.

Serving Suggestions for kraft cheese sauce

Classic Mac and Cheese

Pour this sauce over 8 oz elbow macaroni for the ultimate comfort food. I toss mine with the pasta in the same pot—just drain the noodles, return to low heat, and stir in the sauce. Add a sprinkle of breadcrumbs on top for crunch. 💛

Nacho Bar Star

Use as a base for loaded nachos. Spread tortilla chips on a baking sheet, drizzle with warm sauce, and top with black beans, diced tomatoes, and jalapeños. Broil for 2-3 minutes until bubbly.

Veggie Dip Perfection

Serve warm in a small slow cooker or fondue pot with broccoli, carrots, and cauliflower. The sauce stays smooth for hours on the warm setting. I add a dash of hot sauce to mine for a little kick.

Burger or Hot Dog Topping

Drizzle over grilled burgers or hot dogs for a New England-style treat. In Boston, we love a good cheese sauce on our dogs—it’s a game day staple. Use about 2 tbsp per burger for the perfect ratio.

Breakfast Boost

Pour over scrambled eggs or home fries for a decadent breakfast. The sauce pairs especially well with crispy hash browns. I like to add a pinch of paprika to the sauce when using it this way.

Pasta Bake Base

Mix with cooked penne pasta and steamed broccoli, top with extra cheddar, and bake at 375°F for 15-20 minutes. This was my redemption meal after that infamous pot pie disaster. 🧀

Frequently Asked Questions