Baked Macaroni & Cheese with a secret ingredient!

Macaroni and cheese is an absolute favorite of kids and adults. This recipe for baked macaroni and cheese is super cheesy, creamy, and delicious! The key ingredient for its creamy smoothness is just enough sour cream to make this dish scrumptious without being overly rich.

homemade macaroni & cheese with a secret ingredient you wouldn't have guessed!

Macaroni and Cheese


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The first step in this recipe involves making a roux. Don’t worry if you’ve never made a roux before! It’s simply a mixture of fat — which can be butter or margarine, vegetable oil, bacon drippings, or even lard — and flour. This roux mixture is stirred over a low to medium heat, and it’s used to thicken a sauce, gravy or stew — in this case, a yummy cheese sauce!

This wonderful baked macaroni and cheese can be topped with bacon after baking if you like, just be sure to cook the bacon crisply, and it’s best to crumble or chop it after it’s cooked. If you like mac and cheese with breadcrumbs, you can lightly toss a cup of plain or seasoned breadcrumbs over the macaroni and cheese as soon as the cheese begins to melt, about 5-7 minutes into the baking time. This baked macaroni and cheese is very easy to make, so it’s a perfect recipe for first-timers — you will be proud of this homemade delight! Here are 3 quick tips that will ensure your success:

  • Read through this recipe carefully and set out your ingredients, including salt and pepper for seasoning. (If you’re feeling bold, you can experiment by adding seasonings like garlic powder and cayenne pepper to taste.)
  • Once your roux is made, stir it constantly while slowly adding in the milk.
  • Be sure to remove the mixture from the heat before adding the cheese and the sour cream. This is to keep the ingredients from separating and because sour cream will curdle if it’s boiled.

3.8 from 48 votes
Servings: 8 servings
Baked Macaroni & Cheese with a secret ingredient!
Prep Time:
20 mins
Cook Time:
15 mins
Total Time:
35 mins
Author: JB
Course: Main Course
Cuisine: American
Keyword: Baked Macaroni and Cheese

Baked Macaroni and cheese is an absolute favorite for both kids and adults alike. This recipe for baked macaroni and cheese is super cheesy, creamy and delicious with sour cream as it's secret ingredient!

  • 16 ounces macaroni noodles cooked and drained
  • 1 stick butter
  • 1/2 cup flour
  • 4 cups shredded cheddar cheese divided
  • 4 cups milk
  • 1/2 cup sour cream
  1. In large pot melt the stick of butter. Add flour and stir to create a roux. Stir over medium heat for one minute to let flour and butter settle together.
  2. Slowly add about 1 cup of milk at a time. Stir in milk and turn up heat to med-high, just until sauce is thick and bubbly.
  3. Remove from heat and stir in 3 cups of shredded cheese. Once cheese is incorporated, now it's time for your secret weapon!!
  4. Remove from heat and add the sour cream. Season with salt & pepper to taste. Stir in cooked macaroni.
  5. Pour mixture into a greased 9x13 pan and top with remaining 1 cup of shredded cheese.
  6. Bake at 350 degrees for about 15 minutes or until cheese has melted on top.
Nutrition Information

(Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.)

Congratulations on deciding to make this homemade family favorite baked macaroni and cheese! You’ll be surprised by how easy it is to make, and definitely by how marvelous it tastes!

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Baked Macaroni and Cheese with a secret ingredient!
Baked Macaroni and Cheese with a secret ingredient!