Mel's Marvelous Mac and Cheese

• elbow macaroni↗1 lb

  uncooked

• onion↗3⁄4 cup

  minced

• butter↗1⁄8 cup
• egg↗1

  large

• whole milk↗3 cups
• dry mustard2 teaspoons
• salt↗2 teaspoons
• extra-sharp cheddar cheese↗4 cups

  shredded, divided

• breadcrumbs↗
• ham↗1 1⁄2 cups

  cooked (optional)

Step-by-step instructions

1. 1

   Cook macaroni according to direction.

2. 2

   Beat together egg, milk, mustard and salt.

3. 3

   Saute onion in butter.

4. 4

   Drain macaroni, add back into large pot. Mix in the milk mixture. Mix in the onion. Mix in 3 cups cheese.

5. 5

   Pam spray casserole dish.

6. 6

   Pour pot contents into dish.

7. 7

   Bake at 350F for 25 minutes.

8. 8

   Sprinkle remaining 1 cup cheese on top and a little bread crumbs and broil for 5 minutes.