The Panera White Cheddar Mac You Can Make at Home in 35 Minutes
A proper béchamel-based mac & cheese with sharp white cheddar, a sneaky mustard trick, and three ways to serve it — stovetop, Crock Pot, or baked with a cracker crust.
Dowell Cooks6 min readPrint this post
The mustard powder isn't there for flavor — it's there to make the cheddar taste more like itself. Don't skip it.
- pasta shells + all-purpose flourBoth carry toasted and browned notes.
- butter + heavy creamBoth carry creamy and coconutty notes.
- butter + whole milkBoth carry creamy and coconutty notes.
Three moves make or break this recipe.
Three moves make or break this sauce. Get these right and you're golden.
Roux: 90 sec on medium. Sauce: simmer 3–4 min after dairy is added to fully gelatinize starch. Cheese: off heat, 1 min rest before folding.
- Make a blonde roux: melt butter, whisk in flour, cook 90 seconds until it smells nutty
- Temper the dairy in slowly — stream in warm milk and cream while whisking to prevent lumps
- Kill the heat before adding cheddar; fold in two additions until just melted
Why your sauce needs a full simmer after the dairy goes in — and what happens if you skip it.
beneficial
Starch gelatinization is what gives this sauce its body. Simmer 3–4 minutes after the dairy goes in — undercooked starch tastes raw and the sauce will thin as it cools.
If the sauce over-thickens, whisk in warm milk a splash at a time rather than cream — preserves balance without breaking the emulsion.
A few things worth knowing before you start — these details make a real difference.
Cook the roux until it smells biscuity, not raw
Butter and all-purpose flour need at least 90 seconds over medium heat before the dairy goes in. An undercooked roux tastes like paste and will re-thin as the sauce sits — the starch hasn't fully gelatinized.
Mustard powder is a structural ingredient, not a seasoning
The sulfur compounds in mustard powder sharpen the perception of cheddar's sharpness without adding detectable mustard flavor at this quantity. Pull it and the sauce tastes blunter.
Add cheddar off the heat — or it will break
White cheddar's proteins seize and the fat splits if you melt it into a boiling sauce. Pull the pot from the burner, let it drop for 30 seconds, then fold in the cheese in two additions.
Hot sauce cuts the fat — don't skip it
The acid in hot sauce trims the finish on a sauce this fatty, keeping each bite from feeling heavy. The pairing with butter is well-supported: fat tempers the heat while the acid lifts the dairy.
30 minutes, and you’re ready to cook.
Set yourself up right before you start the sauce — once the roux goes in the pan, things move fast.
- Gather EquipmentGather a large pot, a saucepan, a colander, a whisk, a wooden spoon, measuring cups and spoons, a grater or microplane, a cutting board, a 9 x 13 inch casserole dish, and prep bowls or containers.1 min
- Preheat OvenPreheat the oven to 325°F.
- Shred the White Cheddar CheeseShred 3 cup White Cheddar Cheese using a box grater or microplane. Place in a prep bowl and allow to come to room temperature before using.3 min
- Measure Butter and FlourMeasure ¼ cup Butter and ¼ cup All-Purpose Flour into separate prep containers.1 min
- Measure Heavy Cream and Whole MilkMeasure 1 cup Heavy Cream and 2 cup Whole Milk into a single prep container or pitcher for easy pouring.1 min
- Measure SpicesMeasure ¾ tsp Salt, ½ tsp Black Pepper, 1 tsp Mustard Powder, and ¼ tsp Hot Sauce into a single small prep bowl.1 min
- Prepare the Pasta ShellsMeasure 1 lb Pasta Shells and place in a prep container near the stove, ready to add to the boiling water.30s
- Stage IngredientsArrange all prepped ingredients near the stove in order of use: pasta shells, butter, flour, cream and milk mixture, spice blend, shredded cheese (at room temperature), and the greased casserole dish.1 min
- Contains
- milk, wheat, gluten, mustard
- Fits
- Vegetarian, Pescatarian, Nut-Free, Halal, Kosher
Halal and kosher also depend on how the ingredients are sourced and certified.
Substitutions that still taste like the recipe.
Need to swap something out? Here are the best alternatives that'll keep the sauce tasting great.
- rigatoni
- linguine
- penne
- aged provolone
- manchego
Lacks the oniony and garlicky notes.
- gruyere
- cream
- half-and-half
Juicier.
- mascarpone
Juicier; more delicate.
- low-fat milk↓ fatty
- whipped cream↑ fatty
More delicate.
- skim milk↓ fatty
- brown mustard seeds
Less aromatic.
- yellow mustard seeds
Less aromatic.
- mustard seeds
Brings piney, citrusy, earthy and roasted notes; richer.
Tools for this recipe.
Nothing fancy needed here — just a few kitchen basics.
- large pot
- saucepan
- colander
- whisk
- box grater
- measuring cups
- measuring spoons
- cutting board
- mixing bowl
- baking dish
Let's be real about what's on the plate — this is comfort food, and it's genuinely comforting.
Food groups measured against a 2,000-calorie day
- • No protein in this recipe
- • No vegetables in this recipe
- • No fruits in this recipe
- • No whole grains in this recipe
- • No healthy fats in this recipe
No major food groups detected.
- Dairy & Eggs
- $9.80
- Pasta & Grains
- $1.99
- Condiments & Sauces
- $0.03
- Spices & Seasonings
- $0.16
- Baking
- $0.39
Common questions
Can I make this ahead of time?
Can I use pre-shredded cheese to save time?
My sauce got too thick — how do I fix it?
Can I make this in a Crock Pot?
Is the hot sauce going to make it spicy?
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