Keto Stuffed Bell Pepper Mac and Cheese Boats

Prep: 10 minCook: 7 min4 servingsmediumAmerican
Stuffed Bell Pepper Mac and Cheese Boats with Crispy Onions

Colorful bell pepper halves become edible boats filled with creamy macaroni and cheese, topped with melted cheddar and crispy fried onions. This family-friendly dinner combines the comfort of boxed mac and cheese with the nutrition of bell peppers. The peppers are microwaved until tender, then stuffed with seasoned mac and cheese enriched with extra cheddar and Worcestershire sauce. Perfect for weeknight dinners when you want something fun and satisfying that kids will actually eat.

Ingredients

4 servings
  • 1 box macaroni & cheese mix, 7 1/4 ounces
    homemade mac and cheese1:1comfort

    use same amount of prepared mac and cheese

  • ¼ cup milk
  • ¼ cup butter
  • 1 ½ cups Cheddar cheese, shredded, divided
  • 1 tbsp Reduced Sodium Worcestershire Sauce
  • 4 red, green or yellow bell peppers, halved lengthwise
    zucchini boats1:1vegetable

    halve zucchini lengthwise and scoop out center

    Full guide →
  • 1 ⅓ cups White Cheddar Crispy Fried Onions
    panko breadcrumbs1:1textureadds gluten

    toast in dry pan until golden

  • ¼ cup water

Instructions

  1. 1

    Prepare macaroni and cheese mix in medium saucepan as directed on package using milk and butter

  2. 2

    Stir in cheese and Worcestershire sauce into prepared macaroni, set aside

  3. 3

    Arrange pepper halves cut side up in glass baking dish

  4. 4

    Add water to baking dish and cover

  5. 5

    Microwave peppers on HIGH for 5 minutes or until crisp-tender, drain water

  6. 6

    Spoon macaroni and cheese into pepper halves

  7. 7

    Sprinkle with remaining cheese and crispy fried onions

  8. 8

    Microwave for 2 minutes

Tips

Tip 1

Choose peppers that can stand upright by trimming a small slice from the bottom if needed

Tip 2

Pierce pepper skins with a fork before microwaving to prevent bursting

Tip 3

Let peppers cool for 2-3 minutes before serving as filling will be very hot

Good to Know

Storage

Refrigerate leftovers up to 3 days. Reheat in microwave 1-2 minutes.

Make Ahead

Peppers can be pre-cooked and mac and cheese prepared up to 1 day ahead. Assemble and heat when ready to serve.

Serve With

Serve immediately while cheese is melted and peppers are warm.

Common Mistakes

Watch

Don't overcook peppers in first step to avoid mushy texture

Watch

Drain water completely before filling to prevent soggy bottoms

Substitutions

macaroni & cheese mix
homemade mac and cheese1:1comfort

use same amount of prepared mac and cheese

bell peppers
zucchini boats1:1vegetable

halve zucchini lengthwise and scoop out center

Full guide →
Crispy Fried Onions
panko breadcrumbs1:1textureadds gluten

toast in dry pan until golden

Full guide →
Find more substitutions →

FAQ

Can I use fresh bell peppers instead of frozen?

Yes, this recipe uses fresh bell peppers. Choose firm peppers without soft spots for best results.

What if I don't have a microwave?

Roast peppers at 375°F for 20-25 minutes, then stuff and bake 10 more minutes until cheese melts.

How long do leftovers keep?

Store covered in refrigerator up to 3 days. Reheat individual portions in microwave for 1-2 minutes.