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+ servings
Meatball Sandwiches with white sauce.
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5 from 2 votes

Meatball Sandwiches

Grilled Meatball Sandwiches with creamy parmesan sauce is a quick and easy dinner for any night of the week. Grilled ground beef and mushroom meatballs served up on toasted onion buns with our easy alfredo sauce is a family favorite.
Prep Time10 minutes
Cook Time20 minutes
Total Time30 minutes
Course: Sandwiches
Cuisine: American
Keyword: Alfredo sauce, grilled meatballs, meatball sub, parmesan meatball sandwiches
Servings: 6 servings
Calories: 746kcal
Author: Milisa

Ingredients

  • 1 ½ pounds 80/20 ground beef
  • 1 cup diced mushrooms
  • 1 cup diced onion
  • 2 teaspoons minced garlic
  • 1 tablespoon dried basil
  • 1 tablespoon dried oregano
  • 1 tablespoons dried thyme
  • 1 teaspoon kosher salt
  • 1 teaspoon black pepper

For the Creamy Parmesan Sauce:

  • 3 tablespoons salted butter
  • 3 tablespoons all purpose flour
  • 2 cups heavy whipping cream
  • ½ cup milk
  • ½ teaspoon kosher salt
  • ½ teaspoon black pepper
  • 2 cups finely grated parmesan cheese

For the Sandwiches:

  • 6 Onion Buns
  • 3 tablespoons salted butter

Instructions

  • In a small bowl combine the thyme, oregano, garlic, rosemary, salt and pepper. Mix well with a fork or whisk.
  • Add ground beef to a bowl. 
  • Mix in the seasonings, mushrooms, onions and garlic until well combined.
  • Form into 1/3 pound meatballs and place on a lined baking sheet.
  • Prepare a grill fire to 350° on a charcoal grill using hickory or pecan chunks for smoke flavor. 
  • Cook the meatballs over indirect fire with the grill closed 10 minutes.
  • Turn the meatballs and continue to cook until internal temperature reaches 165°.
  • Remove from grill to a platter or sheet pan. Cover loosely with foil. 
  • Make the parmesan cream sauce by melting butter in a pan. Whisk in flour. 
  • Cook over medium heat, whisking often, about 4- 5 minutes.
  • Whisk in the heavy cream and milk until sauce thickens. 
  • Remove from heat. Add salt and pepper.
  • Whisk in the grated parmesan cheese until smooth. 
  • Make the sandwiches: Butter the buns and toast under the broiler or on the grill. 
  • Slice meatballs in half.
  • Spread parmesan sauce onto the bottoms of the buns. Top with meatball halves. Drizzle with additional parmesan sauce and add the top buns. 
  • Serve immediately.

Nutrition

Serving: 1g | Calories: 746kcal | Carbohydrates: 41g | Protein: 24g | Fat: 55g | Saturated Fat: 33g | Polyunsaturated Fat: 18g | Trans Fat: 2g | Cholesterol: 167mg | Sodium: 1288mg | Fiber: 3g | Sugar: 9g