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Meatloaf sandwich on toasted bread with lettuce and aioli.

Meatloaf Sandwich Recipe

This Meatloaf Sandwich is a great way to use up leftover meatloaf and make it into something delicious. It’s loaded with caramelized onions, garlic aioli, crisp lettuce, and pickled jalapeños for a bold, tasty lunch or quick dinner.

Course Main Course
Cuisine American
Keyword meatloaf sandwich
Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Servings 2 sandwiches
Calories 310 kcal
Author Marjorie @APinchOfHealthy

Ingredients

  • 4 slices homemade Meatloaf cold or warmed through

Caramelized Onions:

  • 1 tablespoon avocado oil or other flavorless oil
  • 1 medium onion thinly sliced
  • 2 teaspoons balsamic vinegar
  • 1 teaspoon maple syrup or honey
  • 1/8 teaspoon Kosher salt
  • 1/8 teaspoon freshly cracked black pepper

Garlic Aioli:

  • 3 tablespoons mayonnaise avocado oil is best
  • 1 large garlic clove minced
  • 1/8 teaspoon Kosher salt
  • 1/8 teaspoon ground black pepper
  • 1/2 teaspoon dijon mustard

Other:

  • Pickled jalapenos
  • Fresh leafy lettuce
  • 4 slices bread of choice

Instructions

Prep the Caramelized Onions:

  1. Heat a large skillet with the avocado oil over medium heat.
  2. Add the sliced onion and saute for 10 minutes until softened.
  3. Reduce the heat to medium-low and add the balsamic, maple syrup, salt and pepper and continue to saute for 5-10 minutes until jammy.
  4. Turn off the heat and set aside to cool slightly.

Prep the Garlic Aioli:

  1. Mix all the ingredients together in a medium bowl.

Toast the Bread:

  1. Place bread in an empty hot skillet on the stovetop and cook on both sides for 30-60 seconds until golden.

Layer the Sandwich:

  1. Spread Garlic Aioli onto one slice of bread. Top with lettuce, pickled jalapeno, meatloaf slice, caramelized onions and then the second slice of bread on top.
  2. Repeat to make the 2nd sandwich!

Recipe Notes

You can use a cold slice of meatloaf or warm it in the oven/microwave if you prefer. Everyone likes their meatloaf sandwich made differently!
You can use BBQ sauce instead of the Aioli.
Horseradish Aioli would also be phenomenal! Instead of the minced garlic, add 1 tablespoon of prepared jared horseradish to the mayo.

Nutrition Facts
Meatloaf Sandwich Recipe
Amount Per Serving
Calories 310 Calories from Fat 135
% Daily Value*
Fat 15g23%
Saturated Fat 2g13%
Trans Fat 0.03g
Polyunsaturated Fat 5g
Monounsaturated Fat 6g
Cholesterol 5mg2%
Sodium 748mg33%
Potassium 184mg5%
Carbohydrates 38g13%
Fiber 3g13%
Sugar 10g11%
Protein 7g14%
Vitamin A 19IU0%
Vitamin C 5mg6%
Calcium 90mg9%
Iron 2mg11%
* Percent Daily Values are based on a 2000 calorie diet.