Easy Mac and Cheese Casserole Recipe

Boil elbow macaroni while making sharp cheddar cheese sauce

Mix hot pasta with sauce in casserole dish, top with cheese and breadcrumbs

Bake 20 minutes at 375°F until golden brown and bubbling

Rest 5 minutes before serving

Store leftovers 4 days in fridge or freeze unbaked 3 months

Gather elbow macaroni, cheddar cheese, butter, milk, and breadcrumbs.

Core Ingredients

Elbow macaroni: 1 pound dried pasta feeds six people generously.

Sharp cheddar cheese: 16 ounces block cheese shredded by hand.

Unsalted butter: 4 tablespoons for roux and richness.

Whole milk: 2 cups creates creamy sauce base.

Plain breadcrumbs: 1 cup for golden crispy topping.

All-purpose flour: 1/4 cup thickens cheese sauce.

Salt: 1 tablespoon seasons pasta water.

Black pepper: 1/2 teaspoon fresh ground adds bite.

Optional Flavor Boosters

Add any combination for signature taste.

Essential Equipment

• 6-quart stockpot for boiling pasta
• 3-quart saucepan for cheese sauce
• 9x13 inch glass or ceramic casserole dish
• Whisk for lump-free sauce
• Measuring cups and spoons
• Colander for draining pasta
• Box grater for shredding cheese blocks
• Aluminum foil to prevent over-browning

Cheese Selection Tips

Never buy pre-shredded cheese.

Cellulose coating prevents smooth melting and creates grainy sauce.

Sharp cheddar delivers bold classic flavor.

Medium cheddar melts creamier but tastes milder.

Blend cheeses for best results: mozzarella for stretch, Gruyère for nuttiness, Parmesan for salty bite.

Shred cheese while pasta cooks for time efficiency.

Smart Substitutions

Pasta shape: Elbow macaroni holds sauce perfectly in tubes.

Substitute with shells, cavatappi, or rotini if needed.

Gluten-free rice or quinoa pasta works identically with same cook time.

Milk options: Whole milk creates richest sauce.

2% milk works fine.

Evaporated milk adds creaminess without heaviness.

Replace half the milk with heavy cream for indulgent version.

Breadcrumb alternatives: Panko gives crunchiest texture.

Crush Ritz crackers, potato chips, or cornflakes if breadcrumbs unavailable.

Butter: Unsalted lets you control sodium.

Salted butter works, reduce added salt by half.

Boil pasta while whisking a quick cheese sauce on the stovetop.

Cook Pasta Perfectly

Fill stockpot with 4 quarts water and 1 tablespoon salt.

Bring to rolling boil over high heat.

Pour in 1 pound elbow macaroni and stir immediately.

Set timer for 2 minutes less than package directions.

Stir every 2 minutes to prevent sticking.

Taste test pasta 1 minute before timer ends.

Pasta should be firm with slight chalky center.

Scoop out 1 cup starchy pasta water with measuring cup.

Drain pasta in colander but do not rinse.

Rinsing washes away starch that binds sauce.

Shake colander gently to remove excess water.

Return empty pot to stove for sauce.

Build Cheese Sauce Simultaneously

Melt 4 tablespoons butter in saucepan over medium heat.

Whisk in 1/4 cup flour when butter foams.

Cook roux 1 minute while stirring constantly.

Mixture should smell nutty, not burnt.

Pour in 2 cups cold milk in slow steady stream.

Whisk vigorously to prevent lumps.

Continue whisking until sauce thickens and bubbles.

This takes 3-4 minutes.

Sauce coats back of spoon when ready.

Reduce heat to low immediately.

Add shredded cheese in handfuls.

Stir each addition until completely melted before adding more.

Season with 1/2 teaspoon salt and 1/4 teaspoon pepper.

Add optional flavor boosters now.

Keep sauce warm on lowest heat setting.

Timing Coordination

Start both processes at same time.

Pasta water takes 10-12 minutes to boil.

Make cheese sauce while pasta cooks.

Avoid These Mistakes

• Never walk away from roux, burns in seconds
• Cold milk prevents lumps better than warm milk
• Low heat melts cheese smoothly, high heat causes graininess
• Undercook pasta slightly, it finishes cooking in oven
• Save pasta water, it fixes thick sauce
• Don't add all cheese at once, melts unevenly
• Keep whisking constantly during thickening phase

Mix pasta with sauce in a casserole dish and top with cheese and breadcrumbs.

Combine Pasta and Sauce Immediately

Hot pasta absorbs sauce better than cooled pasta.

Pour drained macaroni directly back into empty stockpot.

Pour hot cheese sauce over pasta while both are steaming.

Use wooden spoon to fold gently, scrape bottom and sides to coat every piece.

Mixture should look creamy and loose.

If too thick, add reserved pasta water 2 tablespoons at a time.

Mixture should slide off spoon easily.

Work quickly while everything is hot.

Transfer to Casserole Dish

Pour mixture into ungreased 9x13 inch dish.

Spread evenly with back of spoon.

Shake dish gently to settle contents.

Tap corners on counter to release air pockets.

Level surface for even topping coverage.

Add Cheese and Breadcrumb Layers

Sprinkle 1 cup extra shredded cheese across surface.

Cover cheese layer with 1 cup breadcrumbs.

Drizzle 2 tablespoons melted butter over breadcrumbs.

Butter helps breadcrumbs brown and crisp.

Alternative Topping Combinations

• Crushed Ritz crackers + Parmesan + butter
• Panko + smoked paprika + olive oil
• Crushed potato chips + shredded cheese (no butter needed)
• Italian breadcrumbs + garlic powder + melted butter

Final Preparation Check

Make sure pasta is completely covered by sauce.

No dry pasta edges should be visible.

Topping should reach all corners.

Dish should be filled to within 1/2 inch of rim.

Cover with foil if making ahead.

Refrigerate up to 24 hours before baking.

Add 10 minutes to bake time if starting cold.

Bake at 375°F for 20 minutes until golden brown and bubbling.

Preheat Oven Correctly

Set oven to 375°F.

Place rack in center position.

Preheat 15 minutes before baking.

Verify temperature with oven thermometer.

Many ovens run 25 degrees hot or cold.

Cold ovens bake unevenly.

Hot ovens burn topping before center heats.

Convection ovens bake faster, reduce temperature to 350°F.

Baking Process Timeline

Place casserole on center rack uncovered.

Set timer for 20 minutes.

Check after 15 minutes for color.

Rotate dish if oven has hot spots.

Bake until breadcrumbs turn golden brown.

Edges should bubble vigorously.

Center should be steaming hot.

Internal temperature reaches 165°F.

Visual Doneness Indicators

• Color: Deep golden brown topping, not pale yellow
• Bubbles: Active bubbling around entire perimeter
• Center: Steam rises when knife pierces middle
• Crust: Tapping breadcrumbs produces crisp sound
• Aroma: Rich toasted cheese smell fills kitchen

Troubleshooting Guide

Rest Before Serving

Remove from oven and let stand 5 minutes.

Resting firms up casserole structure.

Prevents molten cheese burns.

Makes clean portioning easier.

Cover with foil to keep warm up to 15 minutes.

Do not cover tightly or crust gets soggy.

Cool five minutes before serving and refrigerate leftovers.

Why Resting Matters

Hot cheese sauce stays molten and runny straight from oven.

Five minute rest lets cheese proteins relax and set.

Casserole firms up enough for clean portioning.

Prevents tongue burns from 350°F cheese.

Crust stays crispier than if covered immediately.

Portioning and Serving

Cut portions with sharp chef's knife using firm downward pressure.

Avoid sawing motion that shreds pasta and smears cheese.

Use thin metal spatula to lift portions cleanly.

Scrape bottom of dish to capture crispy cheese layer.

Standard 9x13 inch dish makes twelve 3x3 inch squares.

Leftover Storage

Cool casserole to room temperature within 2 hours.

Never seal hot casserole, condensation creates soggy crust.

Cover tightly with plastic wrap or foil.

Transfer to airtight container if preferred.

Refrigerate at 40°F or below.

Store up to 4 days maximum.

Freezing for Longer Storage

Freeze unbaked casserole for best quality.

Wrap dish tightly in plastic wrap then foil.

Label with date and contents.

Freeze up to 3 months.

Bake frozen casserole at 375°F for 45 minutes covered, then 15 minutes uncovered.

Reheating Methods

Reheating Tips

Add 2 tablespoons milk per cup when reheating to restore creaminess.

Cover with foil in oven to prevent drying.

Stir stovetop portions constantly to prevent sticking.

Heat to internal temperature of 165°F for food safety.

Do not reheat more than once.