Bring lightly salted water to a boil in a medium pot. Add the macaroni from the box along with the frozen peas and corn.
1 (7 ¼-ounce) box macaroni and cheese, 6 cups water, ¼ cup frozen peas, ¼ cup frozen corn
Cook for 7 to 8 minutes, or until the pasta is tender. Drain well, then return the pasta and vegetables to the pot.
Add the butter, milk, drained tuna, and cheese packet. Stir over low heat until the butter melts, the cheese powder dissolves, and the sauce is smooth and creamy.
4 tablespoons unsalted butter, ¼ cup milk, 1 (5-ounce can) tuna, Cheese packet from the box of macaroni and cheese
Taste and adjust the seasoning if needed. Serve hot.
Notes
The serving size is 1/4 of the tuna mac (about 1 cup). Actual calories will vary.
Store leftovers in an airtight container in the refrigerator for up to 3 days.
Looking for our Instant Pot Tuna Mac? The instructions are above the recipe card in the post.
Nutrition Facts
Tuna Mac and Cheese with Boxed Macaroni
Serving Size
1 cup
Amount per Serving
Calories
330
% Daily Value*
Fat
18
g
28
%
Saturated Fat
8
g
40
%
Trans Fat
0.5
g
Polyunsaturated Fat
1
g
Monounsaturated Fat
3
g
Cholesterol
45
mg
15
%
Sodium
586
mg
24
%
Potassium
242
mg
7
%
Carbohydrates
28
g
9
%
Fiber
1
g
4
%
Sugar
1
g
1
%
Protein
15
g
30
%
Vitamin A
465
IU
9
%
Vitamin C
4
mg
5
%
Calcium
116
mg
12
%
Iron
2
mg
11
%
* Percent Daily Values are based on a 2000 calorie diet.