How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Spinach Meatball Subs?

You need 13 ingredients. The key ingredients include: 2 large fresh mushrooms, quartered, 2 tablespoons Worcestershire sauce, 6 garlic cloves, minced, 2 tablespoons Italian seasoning, and more.

Is Spinach Meatball Subs suitable as meat & poultry?

Yes, Spinach Meatball Subs falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover Spinach Meatball Subs?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Spinach Meatball Subs Recipe

Name: Spinach Meatball Subs
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 large fresh mushrooms, quartered; 2 tablespoons Worcestershire sauce; 6 garlic cloves, minced; 2 tablespoons Italian seasoning; 1 teaspoon pepper; 1/2 teaspoon salt; 1 package (10 ounces) frozen chopped spinach, thawed and squeezed dry; 1/4 cup grated Parmesan cheese; 2 egg whites; 1 pound lean ground beef (90% lean); 1 jar (14 ounces) marinara or spaghetti sauce; 6 Italian rolls or submarine buns, split; 6 tablespoons shredded part-skim mozzarella cheese

Try this homemade Spinach Meatball Subs recipe the whole family will love. Made with fresh mushrooms, Worcestershire sauce, garlic and Italian seasoning…

This Spinach Meatball Subs relies on simple, everyday ingredients such as worcestershire sauce, garlic cloves, minced, italian seasoning and pepper. It comes together quickly and makes 4 servings, at about 702 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Meat & Poultry

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

Saved locally in your browser — visible only to you.

Spinach Meatball Subs

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions